:root{
    --ink:#000814;            /* logo ground */
    --navy:#04162B;
    --panel:#0A1F3A;
    --line-dark:#123055;
    --steel-50:#F1F4F9;       /* blue-biased light ground */
    --steel-100:#E4EAF2;
    --card:#FFFFFF;
    --text-dark-hi:#EAF0F8;
    --text-dark-lo:#A3B4CB;
    --text-light-hi:#15243A;
    --text-light-lo:#4A5C74;
    --blue:#005DD8;
    --blue-hi:#3D8BFF;
    --red:#F00017;         /* logo red — graphic accents */
    --red-text:#D40014;     /* deepened for small text (AA on white) */
    --disp:'Avenir Next Condensed','Helvetica Neue Condensed','Arial Narrow',Arial,sans-serif;
    --body:'Avenir Next','Segoe UI',system-ui,-apple-system,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{animation:none!important;transition:none!important}
  }
  body{font-family:var(--body);background:var(--steel-50);color:var(--text-light-hi);line-height:1.6;-webkit-font-smoothing:antialiased}
  img{max-width:100%;height:auto;display:block}
  a{color:inherit}

  .wrap{max-width:1120px;margin:0 auto;padding:0 24px}

  .eyebrow{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.22em;font-size:.8rem}
  h1,h2,h3{font-family:var(--disp);text-transform:uppercase;line-height:1.05;text-wrap:balance;font-weight:700}
  h2{font-size:clamp(1.9rem,3.6vw,2.7rem);letter-spacing:.01em}
  h3{font-size:1.25rem;letter-spacing:.03em}
  p{max-width:62ch}

  .rule-red{width:56px;height:2px;background:var(--red);border:0;margin:18px 0 22px}

  .btn{display:inline-block;font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.12em;font-size:.95rem;
    padding:15px 30px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .18s,border-color .18s,color .18s}
  .btn-solid{background:var(--blue);color:#fff}
  .btn-solid:hover{background:var(--blue-hi)}
  .btn-ghost{border-color:var(--line-dark);color:var(--text-dark-hi)}
  .btn-ghost:hover{border-color:var(--blue-hi);color:var(--blue-hi)}
  .btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--blue-hi);outline-offset:2px}

  /* ---------- header ---------- */
  header{position:sticky;top:0;z-index:50;background:rgba(0,8,20,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-dark)}
  .nav{display:flex;align-items:center;gap:28px;height:68px}
  .brand{display:flex;flex-direction:column;align-items:center;text-decoration:none;line-height:1}
  .brand .b1{font-family:var(--disp);font-weight:700;font-size:1.15rem;letter-spacing:.14em;color:#fff;
    margin-right:-.14em}
  .brand .b2{font-family:var(--disp);font-weight:600;font-size:.68rem;letter-spacing:.42em;color:var(--blue-hi);margin-top:4px;
    display:flex;align-items:center;gap:8px;margin-right:-.42em}
  .brand .b2::before,.brand .b2::after{content:"";height:1px;width:14px;background:var(--red)}
  nav.links{display:flex;gap:26px;margin-left:auto}
  nav.links a{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.14em;font-size:.82rem;
    color:var(--text-dark-lo);text-decoration:none}
  nav.links a:hover{color:#fff}
  .nav .btn{padding:10px 20px;font-size:.8rem}
  @media (max-width:860px){nav.links{display:none}}

  /* ---------- hero ---------- */
  .hero{background:var(--ink);color:var(--text-dark-hi);position:relative;overflow:hidden}
  .hero::before{ /* standing-seam ribbing */
    content:"";position:absolute;inset:0;
    background:
      repeating-linear-gradient(90deg,transparent 0 88px,rgba(61,139,255,.08) 88px 90px),
      linear-gradient(115deg,rgba(0,93,216,.16) 0%,transparent 45%);
    pointer-events:none}
  .hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:72px 0 88px}
  .hero h1{font-size:clamp(2.5rem,5.6vw,4.3rem);color:#fff}
  .hero .eyebrow{color:var(--blue-hi)}
  .hero p.lede{color:var(--text-dark-lo);font-size:1.08rem;margin:22px 0 34px}
  .cta-row{display:flex;flex-wrap:wrap;gap:14px}
  .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px}
  .chip{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;
    color:var(--text-dark-lo);border:1px solid var(--line-dark);padding:8px 14px}
  .hero-logo{justify-self:center}
  .hero-logo img{width:min(460px,92%);margin:0 auto;
    mix-blend-mode:screen;
    filter:drop-shadow(0 0 70px rgba(0,93,216,.30))}
  @media (max-width:860px){
    .hero-grid{grid-template-columns:1fr;padding:48px 24px 64px}
    .hero-logo{order:-1}
    .hero-logo img{width:min(320px,80%)}
  }

  /* ---------- sections ---------- */
  section{padding:88px 0}
  .sec-head{margin-bottom:44px}
  .sec-head .eyebrow{color:var(--blue)}

  /* services */
  .feature{background:var(--card);border:1px solid var(--steel-100);border-top:3px solid var(--blue);
    display:grid;grid-template-columns:1.2fr .8fr;gap:0}
  .feature .body{padding:44px 48px}
  .feature .visual{background:var(--navy);position:relative;min-height:280px}
  .feature .visual::before{content:"";position:absolute;inset:0;
    background:repeating-linear-gradient(90deg,transparent 0 46px,rgba(61,139,255,.18) 46px 48px),
    linear-gradient(160deg,rgba(0,93,216,.30),transparent 70%)}
  .feature .visual span{position:absolute;left:24px;bottom:20px;font-family:var(--disp);font-weight:600;
    text-transform:uppercase;letter-spacing:.2em;font-size:.72rem;color:var(--text-dark-lo)}
  .tag{display:inline-block;font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.16em;
    font-size:.7rem;color:var(--red-text);margin-bottom:14px}
  .feature ul{list-style:none;margin:20px 0 28px;display:grid;gap:10px}
  .feature li{padding-left:22px;position:relative;color:var(--text-light-lo)}
  .feature li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--blue)}
  .duo{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
  .card{background:var(--card);border:1px solid var(--steel-100);padding:36px 38px}
  .card p{color:var(--text-light-lo);margin-top:12px}
  .card .tag{color:var(--blue)}
  .card a.more{display:inline-block;margin-top:18px;font-family:var(--disp);font-weight:600;text-transform:uppercase;
    letter-spacing:.14em;font-size:.8rem;color:var(--blue);text-decoration:none}
  .card a.more:hover{color:var(--blue-hi)}
  @media (max-width:860px){
    .feature{grid-template-columns:1fr}
    .feature .visual{min-height:180px}
    .duo{grid-template-columns:1fr}
    .feature .body{padding:32px 26px}
    .card{padding:28px 24px}
  }

  /* steel band */
  .band{background:var(--navy);color:var(--text-dark-hi)}
  .band .sec-head .eyebrow{color:var(--blue-hi)}
  .band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
  .band-cell{background:var(--navy);padding:30px 26px}
  .band-cell h3{color:#fff;margin-bottom:10px}
  .band-cell p{color:var(--text-dark-lo);font-size:.95rem}
  .band-lede{color:var(--text-dark-lo);max-width:68ch;margin-top:6px}
  @media (max-width:960px){.band-grid{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:560px){.band-grid{grid-template-columns:1fr}}

  /* process */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .step{border-top:2px solid var(--steel-100);padding-top:22px}
  .step .num{font-family:var(--disp);font-weight:700;font-size:2.4rem;color:var(--blue);line-height:1}
  .step h3{margin:12px 0 8px}
  .step p{color:var(--text-light-lo);font-size:.98rem}
  .supply-note{margin-top:36px;background:var(--steel-100);border-left:3px solid var(--red);padding:20px 26px;color:var(--text-light-lo)}
  .supply-note strong{color:var(--text-light-hi)}
  @media (max-width:860px){.steps{grid-template-columns:1fr}}

  /* faq */
  .faq{display:grid;gap:12px;max-width:840px}
  .faq details{background:var(--card);border:1px solid var(--steel-100)}
  .faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
    padding:20px 24px;font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.05em;font-size:1.02rem}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";color:var(--blue);font-size:1.5rem;font-weight:400;line-height:1;flex-shrink:0;transition:transform .2s}
  .faq details[open] summary::after{transform:rotate(45deg)}
  .faq details p{padding:0 24px 22px;color:var(--text-light-lo)}

  /* quote */
  .quote{background:var(--ink);color:var(--text-dark-hi);position:relative;overflow:hidden}
  .quote::before{content:"";position:absolute;inset:0;
    background:repeating-linear-gradient(90deg,transparent 0 88px,rgba(61,139,255,.06) 88px 90px);pointer-events:none}
  .quote-grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
  .quote .sec-head .eyebrow{color:var(--blue-hi)}
  .quote p.side{color:var(--text-dark-lo)}
  .call-big{display:block;font-family:var(--disp);font-weight:700;font-size:clamp(1.7rem,3vw,2.3rem);
    color:#fff;text-decoration:none;margin:26px 0 6px;letter-spacing:.04em}
  .call-big:hover{color:var(--blue-hi)}
  .call-label{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.2em;font-size:.72rem;color:var(--text-dark-lo)}
  form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .f-full{grid-column:1/-1}
  label{display:block;font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.16em;
    font-size:.7rem;color:var(--text-dark-lo);margin-bottom:7px}
  input,select,textarea{width:100%;background:var(--panel);border:1px solid var(--line-dark);color:var(--text-dark-hi);
    padding:13px 14px;font-family:var(--body);font-size:.95rem}
  select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--blue-hi) 50%),linear-gradient(135deg,var(--blue-hi) 50%,transparent 50%);
    background-position:calc(100% - 20px) 55%,calc(100% - 14px) 55%;background-size:6px 6px;background-repeat:no-repeat}
  textarea{min-height:110px;resize:vertical}
  input::placeholder,textarea::placeholder{color:#5C7291}
  form .btn{grid-column:1/-1;justify-self:start}
  .form-note{grid-column:1/-1;font-size:.82rem;color:var(--text-dark-lo)}
  @media (max-width:860px){.quote-grid{grid-template-columns:1fr}form{grid-template-columns:1fr}}

  /* footer */
  footer{background:var(--ink);border-top:1px solid var(--line-dark);color:var(--text-dark-lo);padding:48px 0 56px}
  .foot{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;align-items:flex-start}
  .foot .brand .b1{font-size:1rem}
  .foot ul{list-style:none;display:grid;gap:8px;font-size:.9rem}
  .foot .eyebrow{color:var(--blue-hi);font-size:.68rem;margin-bottom:12px}
  .foot a{text-decoration:none}
  .foot a:hover{color:#fff}
  .legal{margin-top:40px;font-size:.78rem;color:#54688A}

  /* reveal */
  .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

  /* ---------- blog ---------- */
  .post-head{background:var(--ink);color:var(--text-dark-hi);padding:56px 0 64px;position:relative;overflow:hidden}
  .post-head::before{content:"";position:absolute;inset:0;
    background:repeating-linear-gradient(90deg,transparent 0 88px,rgba(61,139,255,.06) 88px 90px);pointer-events:none}
  .post-head .wrap{position:relative}
  .post-head h1{font-size:clamp(2rem,4.4vw,3.1rem);color:#fff;max-width:20ch}
  .post-meta{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.16em;
    font-size:.74rem;color:var(--text-dark-lo);margin-top:18px}
  .post-meta a{color:var(--blue-hi);text-decoration:none}
  .post-meta a:hover{text-decoration:underline}

  .post{padding:56px 0 72px}
  .post .wrap{max-width:760px}
  .post p{max-width:none;margin:0 0 20px}
  .post h2{font-size:clamp(1.5rem,2.8vw,2rem);margin:44px 0 4px}
  .post h3{font-size:1.15rem;margin:30px 0 4px}
  .post h2+p,.post h3+p{margin-top:14px}
  .post ul,.post ol{margin:0 0 22px 22px;display:grid;gap:9px}
  .post li{padding-left:2px}
  .post a{color:#0B4FA8;text-underline-offset:2px}
  .post a:hover{color:var(--blue)}
  .post .lead{font-size:1.12rem;color:var(--text-light-lo);margin-bottom:28px}
  .post table{width:100%;border-collapse:collapse;margin:8px 0 26px;font-size:.95rem}
  .post th,.post td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--steel-100);vertical-align:top}
  .post th{font-family:var(--disp);text-transform:uppercase;letter-spacing:.1em;font-size:.76rem;
    background:var(--steel-50);border-bottom:2px solid var(--line-dark)}
  .post .table-scroll{overflow-x:auto;margin-bottom:26px}
  .post .table-scroll table{margin-bottom:0}
  .callout{background:var(--steel-50);border-left:3px solid var(--red);padding:20px 26px;margin:26px 0;color:var(--text-light-lo)}
  .callout strong{color:var(--text-light-hi)}
  .post-cta{background:var(--panel);color:var(--text-dark-hi);padding:34px 38px;margin:44px 0 0}
  .post-cta h3{color:#fff;margin:0 0 10px}
  .post-cta p{color:var(--text-dark-lo);margin-bottom:22px}

  .post-nav{border-top:1px solid var(--steel-100);margin-top:52px;padding-top:28px;display:grid;gap:10px}
  .post-nav .eyebrow{color:var(--text-light-lo)}
  .post-nav a{color:#0B4FA8;text-decoration:none;font-weight:600}
  .post-nav a:hover{text-decoration:underline}

  .card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px;margin-top:8px}
  .post-card{background:var(--card);border:1px solid var(--steel-100);padding:30px 30px 26px;display:flex;flex-direction:column}
  .post-card h3{margin:0 0 10px}
  .post-card h3 a{text-decoration:none;color:var(--text-light-hi)}
  .post-card h3 a:hover{color:var(--blue)}
  .post-card p{font-size:.96rem;color:var(--text-light-lo);margin:0 0 18px}
  .post-card .more{margin-top:auto}

  /* ---------- calculator ---------- */
  .calc{padding:56px 0 72px}
  .calc .wrap{max-width:860px}
  .calc-card{background:var(--card);border:1px solid var(--steel-100);padding:34px 36px}
  .calc-card+.calc-card{margin-top:20px}
  .addr-row{display:flex;gap:12px;margin-top:6px}
  .addr-row input{flex:1;min-width:0}
  @media (max-width:560px){.addr-row{flex-direction:column}}
  .calc-status{margin-top:16px;font-size:.95rem;color:var(--text-light-lo);min-height:1.2em}
  .calc-status.err{color:#B4000F}

  .measure-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px;margin-top:8px}
  .measure{background:var(--steel-50);padding:18px 20px;border-left:3px solid var(--blue)}
  .measure .k{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.14em;
    font-size:.68rem;color:var(--text-light-lo)}
  .measure .v{font-family:var(--disp);font-weight:700;font-size:1.5rem;color:var(--text-light-hi);margin-top:6px;line-height:1.1}
  .measure .s{font-size:.84rem;color:var(--text-light-lo);margin-top:4px}

  .opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  @media (max-width:640px){.opt-grid{grid-template-columns:1fr}}

  .est{background:var(--ink);color:var(--text-dark-hi);padding:34px 36px;margin-top:20px;position:relative;overflow:hidden}
  .est::before{content:"";position:absolute;inset:0;
    background:repeating-linear-gradient(90deg,transparent 0 88px,rgba(61,139,255,.06) 88px 90px);pointer-events:none}
  .est>*{position:relative}
  .est .est-label{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.18em;
    font-size:.72rem;color:var(--blue-hi)}
  .est .est-range{font-family:var(--disp);font-weight:700;font-size:clamp(2rem,5vw,3rem);color:#fff;margin-top:10px;line-height:1}
  .est .est-note{color:var(--text-dark-lo);font-size:.92rem;margin-top:14px;max-width:56ch}
  .est .est-breakdown{margin-top:22px;border-top:1px solid var(--line-dark);padding-top:18px;
    display:grid;gap:8px;font-size:.9rem;color:var(--text-dark-lo)}
  .est .est-breakdown .row{display:flex;justify-content:space-between;gap:16px}
  .est .est-breakdown .row span:last-child{color:var(--text-dark-hi)}

  .calc-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
  .hidden{display:none}
  .spin{display:inline-block;width:14px;height:14px;border:2px solid var(--steel-100);
    border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:8px}
  @keyframes spin{to{transform:rotate(360deg)}}
  @media (prefers-reduced-motion:reduce){.spin{animation:none}}

  /* calculator sits on the light ground, so its fields invert the dark form styling */
  .calc input,.calc select,.calc textarea{
    background:#fff;border:1px solid var(--steel-100);color:var(--text-light-hi)}
  .calc input::placeholder{color:#8DA0BC}
  .calc label{color:var(--text-light-lo)}
  .calc select{
    -webkit-appearance:none;appearance:none;
    background-image:linear-gradient(45deg,transparent 50%,var(--text-light-lo) 50%),
      linear-gradient(135deg,var(--text-light-lo) 50%,transparent 50%);
    background-position:calc(100% - 20px) calc(50% + 2px),calc(100% - 14px) calc(50% + 2px);
    background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:42px}

  /* address autocomplete */
  .addr-wrap{position:relative;flex:1;min-width:0}
  .suggest{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:40;
    background:#fff;border:1px solid var(--steel-100);box-shadow:0 12px 32px rgba(4,22,43,.14);
    max-height:280px;overflow-y:auto}
  .suggest[hidden]{display:none}
  .suggest li{list-style:none;padding:12px 16px;cursor:pointer;font-size:.95rem;
    color:var(--text-light-hi);border-bottom:1px solid var(--steel-50)}
  .suggest li:last-child{border-bottom:0}
  .suggest li:hover,.suggest li[aria-selected="true"]{background:var(--steel-50);color:var(--blue)}