:root {
    --navy: #0a0e1a;
    --deep: #060810;
    --teal: #00c8d4;
    --teal2: #00a8b5;
    --blue: #1a3a8f;
    --blue2: #2255cc;
    --cyan: #7ee8f0;
    --white: #e8f4ff;
    --gray: #8899bb;
    --accent: #00ffd5;
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--deep);
    color: var(--white);
    font-family: 'Exo 2', sans-serif;
    overflow-x: hidden;
  }

  /* ── CIRCUIT CANVAS ── */
  #circuit-bg {
    position: fixed; inset: 0; z-index: 0;
    pointer-events: none;
  }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 60px;
    background: rgba(6,8,16,.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0,200,212,.15);
    animation: slideDown .6s ease;
  }

  @keyframes slideDown { from { transform: translateY(-80px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

  .logo-wrap { display: flex; align-items: center; gap: 14px; text-decoration: none; }
  .logo-wrap img { height: 52px; width: auto; object-fit: contain; filter: drop-shadow(0 0 8px rgba(0,200,212,.4)); }
  .logo-text { display: flex; flex-direction: column; }
  .logo-text span:first-child {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.15rem; font-weight: 700;
    background: linear-gradient(90deg, var(--teal), var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
  }
  .logo-text span:last-child { font-size: .65rem; color: var(--gray); letter-spacing: 2px; }

  .nav-links { display: flex; gap: 36px; list-style: none; }
  .nav-links a {
    color: var(--gray); text-decoration: none; font-size: .88rem;
    letter-spacing: 1.5px; text-transform: uppercase; font-weight: 500;
    transition: color .3s; position: relative; padding-bottom: 4px;
  }
  .nav-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 1px; background: var(--teal);
    transition: width .3s;
  }
  .nav-links a:hover { color: var(--teal); }
  .nav-links a:hover::after { width: 100%; }

  .nav-cta {
    padding: 10px 28px; border: 1px solid var(--teal);
    background: transparent; color: var(--teal);
    font-family: 'Orbitron', sans-serif; font-size: .75rem;
    letter-spacing: 2px; cursor: pointer;
    clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
    transition: all .3s;
  }
  .nav-cta:hover { background: var(--teal); color: var(--deep); }

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

  .hero-glow {
    position: absolute; width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(0,200,212,.12) 0%, transparent 65%);
    top: 50%; left: 55%; transform: translate(-50%,-50%);
    pointer-events: none;
  }

  .hero-content { position: relative; z-index: 2; max-width: 700px; }

  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 18px; border: 1px solid rgba(0,200,212,.3);
    background: rgba(0,200,212,.06); border-radius: 2px;
    font-size: .75rem; letter-spacing: 2px; color: var(--teal);
    margin-bottom: 28px;
    animation: fadeUp .8s ease .3s both;
  }
  .hero-badge::before { content: ''; width: 6px; height: 6px; background: var(--teal); border-radius: 50%; animation: pulse 1.5s infinite; }

  @keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .4; transform: scale(.6); } }

  h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    font-weight: 900; line-height: 1.1;
    animation: fadeUp .8s ease .5s both;
  }
  h1 .line1 { display: block; color: var(--white); }
  h1 .line2 {
    display: block;
    background: linear-gradient(90deg, var(--teal), var(--blue2), var(--cyan));
    background-size: 200%;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    animation: gradShift 4s linear infinite, fadeUp .8s ease .5s both;
  }
  @keyframes gradShift { 0% { background-position: 0% } 100% { background-position: 200% } }

  .hero-sub {
    margin: 24px 0 40px; font-size: 1.05rem; color: var(--gray);
    line-height: 1.7; max-width: 520px;
    animation: fadeUp .8s ease .7s both;
  }

  .hero-btns { display: flex; gap: 18px; animation: fadeUp .8s ease .9s both; }

  .btn-primary {
    padding: 14px 38px; background: linear-gradient(135deg, var(--teal), var(--blue2));
    color: var(--deep); font-family: 'Orbitron', sans-serif;
    font-size: .8rem; font-weight: 700; letter-spacing: 2px;
    border: none; cursor: pointer;
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
    transition: all .3s; position: relative; overflow: hidden;
  }
  .btn-primary::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,.2), transparent);
    transform: translateX(-100%); transition: transform .4s;
  }
  .btn-primary:hover::after { transform: translateX(100%); }
  .btn-primary:hover { box-shadow: 0 0 30px rgba(0,200,212,.5); }

  .btn-outline {
    padding: 14px 38px; border: 1px solid rgba(0,200,212,.4);
    background: transparent; color: var(--teal);
    font-family: 'Orbitron', sans-serif; font-size: .8rem;
    letter-spacing: 2px; cursor: pointer;
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
    transition: all .3s;
  }
  .btn-outline:hover { border-color: var(--teal); background: rgba(0,200,212,.08); box-shadow: 0 0 20px rgba(0,200,212,.2); }

  .hero-stats {
    display: flex; gap: 48px; margin-top: 64px;
    animation: fadeUp .8s ease 1.1s both;
  }
  .stat { display: flex; flex-direction: column; }
  .stat-num {
    font-family: 'Orbitron', sans-serif; font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--teal), var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  }
  .stat-label { font-size: .75rem; color: var(--gray); letter-spacing: 1px; margin-top: 2px; }

  .hero-visual {
    position: absolute; right: 60px; top: 50%; transform: translateY(-50%);
    width: 420px; height: 420px;
    animation: fadeUp .8s ease .6s both;
  }

  /* Hexagon grid */
  .hex-grid {
    position: relative; width: 100%; height: 100%;
  }
  .hex {
    position: absolute; width: 80px; height: 92px;
    background: rgba(0,200,212,.05);
    border: 1px solid rgba(0,200,212,.2);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; transition: all .3s;
    animation: hexFloat var(--d,3s) ease-in-out infinite alternate;
  }
  .hex:hover { background: rgba(0,200,212,.15); border-color: var(--teal); transform: scale(1.1); }
  @keyframes hexFloat { from { transform: translateY(0); } to { transform: translateY(var(--lift,-10px)); } }

  /* ── SECTION COMMON ── */
  section { position: relative; z-index: 1; padding: 100px 60px; }

  .section-label {
    font-size: .72rem; letter-spacing: 3px; color: var(--teal);
    text-transform: uppercase; margin-bottom: 12px;
    display: flex; align-items: center; gap: 10px;
  }
  .section-label::before { content: ''; width: 30px; height: 1px; background: var(--teal); }

  h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700; line-height: 1.2; margin-bottom: 18px;
  }
  h2 em {
    font-style: normal;
    background: linear-gradient(90deg, var(--teal), var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  }

  .section-sub { color: var(--gray); font-size: 1rem; line-height: 1.7; max-width: 540px; margin-bottom: 60px; }

  @keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

  /* ── SERVICES ── */
  #services { background: linear-gradient(180deg, var(--deep) 0%, rgba(10,14,26,.8) 100%); }

  .services-header { text-align: center; }
  .services-header .section-label { justify-content: center; }
  .services-header .section-sub { margin: 0 auto 60px; }

  .services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .service-card {
    position: relative; padding: 36px 30px;
    background: rgba(10,14,26,.6);
    border: 1px solid rgba(0,200,212,.1);
    overflow: hidden;
    transition: all .4s;
    cursor: pointer;
    opacity: 0; transform: translateY(40px);
  }
  .service-card.visible { animation: fadeUp .6s ease forwards; }

  .service-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 3px; height: 0; background: linear-gradient(180deg, var(--teal), transparent);
    transition: height .4s;
  }
  .service-card::after {
    content: ''; position: absolute;
    bottom: -100%; left: -100%;
    width: 300%; height: 300%;
    background: radial-gradient(circle at center, rgba(0,200,212,.06) 0%, transparent 50%);
    transition: all .5s;
  }
  .service-card:hover { border-color: rgba(0,200,212,.35); transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,.4), 0 0 30px rgba(0,200,212,.08); }
  .service-card:hover::before { height: 100%; }
  .service-card:hover::after { bottom: -50%; left: -50%; }

  .service-icon {
    width: 64px; height: 64px; margin-bottom: 24px;
    background: rgba(0,200,212,.08);
    border: 1px solid rgba(0,200,212,.2);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transition: all .3s;
  }
  .service-card:hover .service-icon { background: rgba(0,200,212,.15); border-color: var(--teal); box-shadow: 0 0 20px rgba(0,200,212,.2); }

  .service-card h3 {
    font-family: 'Orbitron', sans-serif; font-size: 1rem;
    font-weight: 600; margin-bottom: 12px; color: var(--white);
  }
  .service-card p { font-size: .88rem; color: var(--gray); line-height: 1.7; }

  .service-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
  .tag {
    padding: 4px 12px; border: 1px solid rgba(0,200,212,.2);
    background: rgba(0,200,212,.05); font-size: .7rem;
    color: var(--teal); letter-spacing: 1px;
  }

  .service-link {
    display: inline-flex; align-items: center; gap: 6px;
    margin-top: 20px; color: var(--teal); font-size: .8rem;
    letter-spacing: 1px; text-decoration: none; font-weight: 500;
    transition: gap .3s;
  }
  .service-link:hover { gap: 12px; }

  /* ── MARQUEE ── */
  .marquee-wrap {
    overflow: hidden; border-top: 1px solid rgba(0,200,212,.1);
    border-bottom: 1px solid rgba(0,200,212,.1);
    padding: 18px 0; background: rgba(0,200,212,.03);
  }
  .marquee-track {
    display: flex; gap: 60px; animation: marquee 25s linear infinite;
    white-space: nowrap;
  }
  .marquee-item {
    display: flex; align-items: center; gap: 12px;
    font-family: 'Orbitron', sans-serif; font-size: .75rem;
    letter-spacing: 2px; color: var(--gray);
  }
  .marquee-item span { color: var(--teal); font-size: 1rem; }
  @keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

  /* ── WHY US ── */
  #why {
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
  }
  .why-visual { position: relative; }
  .why-ring {
    width: 380px; height: 380px; border-radius: 50%;
    border: 1px solid rgba(0,200,212,.15);
    display: flex; align-items: center; justify-content: center;
    position: relative; margin: 0 auto;
    animation: rotateSlow 20s linear infinite;
  }
  @keyframes rotateSlow { to { transform: rotate(360deg); } }
  .why-ring-inner {
    width: 280px; height: 280px; border-radius: 50%;
    border: 1px solid rgba(0,200,212,.1);
    display: flex; align-items: center; justify-content: center;
    animation: rotateSlow 14s linear infinite reverse;
  }
  .why-core {
    width: 180px; height: 180px; border-radius: 50%;
    background: radial-gradient(circle, rgba(0,200,212,.15), rgba(26,58,143,.2), transparent);
    border: 1px solid rgba(0,200,212,.3);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center;
    animation: rotateSlow 14s linear infinite;
  }
  .why-core-icon { font-size: 2.5rem; margin-bottom: 6px; }
  .why-core-text { font-family: 'Orbitron', sans-serif; font-size: .65rem; color: var(--teal); letter-spacing: 2px; }

  .orbit-dot {
    position: absolute; width: 10px; height: 10px; border-radius: 50%;
    background: var(--teal); box-shadow: 0 0 10px var(--teal);
  }

  .why-features { display: flex; flex-direction: column; gap: 24px; }
  .why-item { display: flex; gap: 18px; align-items: flex-start; }
  .why-num {
    font-family: 'Orbitron', sans-serif; font-size: 1.6rem; font-weight: 900;
    background: linear-gradient(135deg, var(--teal), var(--blue2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    min-width: 36px;
  }
  .why-content h4 { font-family: 'Orbitron', sans-serif; font-size: .9rem; margin-bottom: 6px; color: var(--white); }
  .why-content p { font-size: .85rem; color: var(--gray); line-height: 1.6; }

  /* ── PROCESS ── */
  #process { text-align: center; }
  .process-steps {
    display: flex; gap: 0; position: relative; margin-top: 60px;
    justify-content: center;
  }
  .process-steps::before {
    content: ''; position: absolute;
    top: 40px; left: 12%; right: 12%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--teal), var(--blue2), var(--teal), transparent);
    z-index: 0;
  }
  .step { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 16px; position: relative; z-index: 1; padding: 0 16px; }

  .step-num {
    width: 80px; height: 80px;
    background: var(--deep); border: 1px solid rgba(0,200,212,.3);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Orbitron', sans-serif; font-size: 1.4rem; font-weight: 900;
    color: var(--teal);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transition: all .3s; position: relative;
  }
  .step:hover .step-num { background: rgba(0,200,212,.1); box-shadow: 0 0 30px rgba(0,200,212,.3); }

  .step h4 { font-family: 'Orbitron', sans-serif; font-size: .85rem; color: var(--white); }
  .step p { font-size: .8rem; color: var(--gray); line-height: 1.5; }

  /* ── TECH STACK ── */
  #tech { background: rgba(10,14,26,.5); }
  .tech-grid { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }
  .tech-pill {
    padding: 10px 22px; border: 1px solid rgba(0,200,212,.15);
    background: rgba(0,200,212,.04); font-size: .8rem;
    color: var(--gray); letter-spacing: 1px;
    transition: all .3s; cursor: default;
  }
  .tech-pill:hover { border-color: var(--teal); color: var(--teal); background: rgba(0,200,212,.08); }

  /* ── CTA ── */
  #cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(10,14,26,1) 0%, rgba(26,58,143,.15) 50%, rgba(10,14,26,1) 100%);
    border-top: 1px solid rgba(0,200,212,.1);
    border-bottom: 1px solid rgba(0,200,212,.1);
  }
  .cta-glow {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, rgba(0,200,212,.06) 0%, transparent 65%);
    pointer-events: none;
  }
  #cta h2 { margin-bottom: 14px; }
  #cta p { color: var(--gray); font-size: 1rem; max-width: 480px; margin: 0 auto 40px; line-height: 1.7; }
  .cta-btns { display: flex; gap: 18px; justify-content: center; }

  /* ── FOOTER ── */
  footer {
    padding: 60px; background: rgba(6,8,16,.95);
    border-top: 1px solid rgba(0,200,212,.1);
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  }
  .footer-brand p { font-size: .85rem; color: var(--gray); line-height: 1.7; margin-top: 16px; max-width: 260px; }
  .footer-col h5 {
    font-family: 'Orbitron', sans-serif; font-size: .75rem;
    letter-spacing: 2px; color: var(--teal); margin-bottom: 18px;
  }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
  .footer-col a { color: var(--gray); text-decoration: none; font-size: .85rem; transition: color .3s; }
  .footer-col a:hover { color: var(--teal); }
  .footer-bottom {
    padding: 24px 60px; background: rgba(6,8,16,.95);
    display: flex; justify-content: space-between; align-items: center;
    border-top: 1px solid rgba(255,255,255,.05);
    font-size: .78rem; color: var(--gray);
  }
  .footer-bottom span { color: var(--teal); }

  .socials { display: flex; gap: 12px; margin-top: 20px; }
  .social-btn {
    width: 38px; height: 38px; border: 1px solid rgba(0,200,212,.2);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: var(--gray); cursor: pointer; transition: all .3s;
    clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  }
  .social-btn:hover { border-color: var(--teal); color: var(--teal); background: rgba(0,200,212,.08); }

  /* ── SCROLL REVEAL ── */
  .reveal { opacity: 0; transform: translateY(40px); transition: all .7s ease; }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  /* ── CUSTOM SCROLLBAR ── */
  ::-webkit-scrollbar { width: 5px; }
  ::-webkit-scrollbar-track { background: var(--deep); }
  ::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--teal), var(--blue2)); border-radius: 10px; }

  /* ── HAMBURGER MENU ── */
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
    z-index: 1001;
  }
  .hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--teal);
    transition: all .3s;
    transform-origin: center;
  }
  .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-nav {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(6,8,16,.97);
    backdrop-filter: blur(20px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    transition: opacity .3s;
  }
  .mobile-nav.open {
    display: flex;
    opacity: 1;
  }
  .mobile-nav a {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    color: var(--gray);
    text-decoration: none;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: color .3s;
  }
  .mobile-nav a:hover { color: var(--teal); }
  .mobile-nav .btn-primary { margin-top: 16px; }

  /* ── TABLET (max 1024px) ── */
  @media (max-width: 1024px) {
    nav { padding: 16px 32px; }
    #hero { padding: 120px 32px 80px; }
    .hero-visual { width: 320px; height: 320px; right: 32px; }
    .hero-content { max-width: 560px; }
    section { padding: 80px 32px; }
    footer { padding: 60px 32px; gap: 36px; }
    .footer-bottom { padding: 24px 32px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    #why { gap: 48px; }
    .why-ring { width: 300px; height: 300px; }
    .why-ring-inner { width: 220px; height: 220px; }
    .why-core { width: 140px; height: 140px; }
  }

  /* ── MOBILE (max 768px) ── */
  @media (max-width: 768px) {
    nav { padding: 14px 20px; }
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .hamburger { display: flex; }

    #hero {
      padding: 100px 20px 60px;
      min-height: 100svh;
    }
    .hero-visual { display: none; }
    .hero-content { max-width: 100%; }
    .hero-glow { width: 400px; height: 400px; left: 50%; top: 40%; }

    h1 { font-size: clamp(2rem, 8vw, 3rem); }

    .hero-btns {
      flex-direction: column;
      gap: 12px;
    }
    .btn-primary, .btn-outline {
      width: 100%;
      text-align: center;
      padding: 14px 24px;
    }

    .hero-stats {
      gap: 28px;
      margin-top: 44px;
      flex-wrap: wrap;
    }
    .stat-num { font-size: 1.6rem; }

    section { padding: 70px 20px; }

    .services-grid { grid-template-columns: 1fr; gap: 16px; }
    .services-header .section-sub { margin-bottom: 40px; }

    #why {
      display: flex;
      flex-direction: column;
      gap: 48px;
    }
    .why-visual { order: -1; }
    .why-ring { width: 260px; height: 260px; }
    .why-ring-inner { width: 190px; height: 190px; }
    .why-core { width: 120px; height: 120px; }
    .why-core-icon { font-size: 2rem; }
    .why-core-text { font-size: .55rem; }

    #process { padding: 70px 20px; }
    .process-steps {
      flex-direction: column;
      gap: 24px;
      margin-top: 48px;
    }
    .process-steps::before { display: none; }
    .step { flex-direction: row; align-items: flex-start; gap: 20px; padding: 0; text-align: left; }
    .step-num { width: 56px; height: 56px; font-size: 1rem; flex-shrink: 0; }
    .step h4 { font-size: .8rem; margin-bottom: 4px; }

    #tech { padding: 70px 20px; }
    .tech-grid { gap: 10px; }
    .tech-pill { padding: 8px 16px; font-size: .75rem; }

    footer {
      padding: 50px 20px;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .footer-brand {
      grid-column: 1 / -1;
    }
    .footer-brand p { max-width: 100%; }

    .footer-bottom {
      flex-direction: column;
      gap: 8px;
      text-align: center;
      padding: 20px;
    }

    #cta { padding: 70px 20px; }
    .cta-btns {
      flex-direction: column;
      align-items: center;
      gap: 12px;
    }
    .cta-btns .btn-primary,
    .cta-btns .btn-outline {
      width: 100%;
      max-width: 320px;
    }

    h2 { font-size: clamp(1.5rem, 6vw, 2.2rem); }
    .section-sub { font-size: .9rem; margin-bottom: 40px; }
  }

  /* ── SMALL MOBILE (max 420px) ── */
  @media (max-width: 420px) {
    nav { padding: 12px 16px; }
    .logo-text span:first-child { font-size: .95rem; }
    .logo-text span:last-child { font-size: .55rem; }

    #hero { padding: 90px 16px 50px; }
    h1 { font-size: clamp(1.7rem, 9vw, 2.4rem); }
    .hero-sub { font-size: .9rem; }
    .hero-stats { gap: 20px; }
    .stat-num { font-size: 1.4rem; }
    .stat-label { font-size: .68rem; }

    section { padding: 60px 16px; }

    .service-card { padding: 28px 22px; }
    .service-icon { width: 52px; height: 52px; font-size: 1.4rem; }

    .why-ring { width: 220px; height: 220px; }
    .why-ring-inner { width: 160px; height: 160px; }
    .why-core { width: 100px; height: 100px; }

    footer { padding: 44px 16px; grid-template-columns: 1fr; gap: 28px; }
    .footer-brand { grid-column: auto; }
    .footer-bottom { padding: 16px; }

    #cta { padding: 60px 16px; }
    #cta p { font-size: .88rem; }
  }