/* ============================================================
       Design tokens
       Light theme built from the exact logo palette:
       brand navy on white, with powder blue as the accent.
       ============================================================ */
    :root {
      /* Brand colors sampled from the logo file (exact values) */
      --brand-navy: #152A4A;        /* logo mark navy: text, buttons, footer */
      --brand-navy-hover: #1E3A66;  /* button hover, slightly lighter navy */
      --brand-powder: #96C0F1;      /* logo powder blue: accents, lines, tints */
      --white: #FFFFFF;             /* main page background */

      /* Neutrals derived from the brand navy for the light theme */
      --ink: #152A4A;               /* primary body text and headings */
      --muted: #5A6B84;             /* desaturated navy, secondary text */

      /* Powder used only as tint / line / border on white (never as text) */
      --powder-tint: rgba(150, 192, 241, 0.12);   /* large soft section backgrounds */
      --powder-wash: rgba(150, 192, 241, 0.16);   /* icon wells, subtle fills */
      --powder-line: #96C0F1;                      /* divider + accent lines */

      /* Accent for the footer contact + social icons, changeable in one place.
         Swap to #7CB93F for the old-site green look. */
      --contact-icon: var(--brand-powder);

      --border: rgba(21, 42, 74, 0.14);
      --border-strong: rgba(21, 42, 74, 0.28);

      --font-display: "Space Grotesk", system-ui, sans-serif;
      --font-body: "Inter", system-ui, sans-serif;
      --font-mono: "IBM Plex Mono", ui-monospace, monospace;

      --maxw: 1180px;
      --gutter: clamp(1.25rem, 4vw, 2.5rem);
      --radius: 14px;
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
    }

    /* ============================================================
       Base
       ============================================================ */
    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      background: var(--white);
      color: var(--ink);
      font-family: var(--font-body);
      font-size: 17px;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      overflow-x: hidden;
    }

    h1, h2, h3, h4 {
      font-family: var(--font-display);
      font-weight: 600;
      line-height: 1.1;
      letter-spacing: -0.02em;
      margin: 0;
      color: var(--ink);
    }

    p { margin: 0; }

    a { color: inherit; text-decoration: none; }

    img, svg { display: block; max-width: 100%; }

    ::selection { background: rgba(150, 192, 241, 0.40); color: var(--ink); }

    /* Focus visibility. Navy ring reads on white and powder-tinted areas. */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible,
    .btn:focus-visible {
      outline: 2px solid var(--brand-navy);
      outline-offset: 3px;
      border-radius: 4px;
    }
    /* On navy surfaces (topbar, footer, primary buttons) switch to a powder ring. */
    .topbar a:focus-visible,
    footer a:focus-visible,
    .btn-primary:focus-visible {
      outline-color: var(--brand-powder);
    }

    .skip-link {
      position: absolute;
      left: -9999px;
      top: 0;
      background: var(--brand-navy);
      color: var(--white);
      padding: 0.6rem 1rem;
      font-family: var(--font-mono);
      font-size: 0.8rem;
      z-index: 200;
    }
    .skip-link:focus { left: 8px; top: 8px; }

    /* ============================================================
       Layout helpers
       ============================================================ */
    .wrap {
      max-width: var(--maxw);
      margin: 0 auto;
      padding-inline: var(--gutter);
    }

    section { position: relative; }

    .section-pad { padding-block: clamp(4rem, 9vw, 7rem); }

    .eyebrow {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--brand-navy);
      margin: 0 0 1rem;
      display: inline-flex;
      align-items: center;
      gap: 0.7rem;
    }
    .eyebrow::before {
      content: "";
      width: 26px;
      height: 2px;
      background: var(--powder-line);
      display: inline-block;
    }

    .section-head { max-width: 640px; margin-bottom: clamp(2.25rem, 5vw, 3.25rem); }
    .section-head h2 { font-size: clamp(1.85rem, 4.2vw, 2.7rem); }
    .section-head p { color: var(--muted); margin-top: 1rem; font-size: 1.05rem; }

    /* The signature accent line: clean powder blue */
    .thermal-line {
      height: 2px;
      width: 100%;
      background: var(--powder-line);
      border: 0;
      margin: 0;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.55rem;
      font-family: var(--font-body);
      font-weight: 600;
      font-size: 0.98rem;
      letter-spacing: 0.01em;
      padding: 0.85rem 1.5rem;
      border-radius: 10px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform 0.25s var(--ease), background 0.25s var(--ease),
                  border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--brand-navy);
      color: var(--white);
      box-shadow: 0 8px 22px -12px rgba(21, 42, 74, 0.55);
    }
    .btn-primary:hover {
      background: var(--brand-navy-hover);
      transform: translateY(-2px);
      box-shadow: 0 14px 30px -12px rgba(21, 42, 74, 0.6);
    }
    .btn-ghost {
      background: transparent;
      color: var(--brand-navy);
      border-color: var(--border-strong);
    }
    .btn-ghost:hover {
      border-color: var(--brand-navy);
      transform: translateY(-2px);
      background: var(--powder-tint);
    }
    .btn svg { width: 17px; height: 17px; }

    /* ============================================================
       Sticky header: slim utility bar + nav move as one unit
       ============================================================ */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
    }

    /* Slim utility bar (navy, bookends the footer contact band) */
    .topbar {
      background: var(--brand-navy);
      border-bottom: 1px solid rgba(150, 192, 241, 0.22);
      font-family: var(--font-mono);
      font-size: 0.8rem;
      letter-spacing: 0.04em;
    }
    .topbar .wrap {
      display: flex;
      flex-wrap: nowrap;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding-block: 0;
      min-height: 38px;
      line-height: 1.1;
    }
    .topbar-tagline {
      color: var(--brand-powder);
      text-transform: uppercase;
      letter-spacing: 0.12em;
      white-space: nowrap;
    }
    .topbar-contact {
      display: flex;
      align-items: center;
      gap: 1.4rem;
    }
    .topbar-contact a {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--white);
      white-space: nowrap;
      padding-block: 0.5rem;   /* comfortable tap target within the thin bar */
      transition: color 0.2s;
    }
    .topbar-contact a:hover { color: var(--brand-powder); }
    .topbar-contact .tb-ic { display: inline-flex; color: var(--contact-icon); }
    .topbar-contact .tb-ic svg { width: 15px; height: 15px; display: block; }

    /* Keep it one thin line. Phone is the priority on mobile. */
    @media (max-width: 760px) {
      .topbar .tb-email { display: none; }
    }
    @media (max-width: 560px) {
      .topbar-tagline { display: none; }
      .topbar .wrap { justify-content: center; }
    }

    /* ============================================================
       Nav (white background, navy links, navy CTA)
       ============================================================ */
    .nav {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid transparent;
      transition: border-color 0.3s, background 0.3s, padding 0.3s;
    }
    .nav.scrolled {
      border-bottom-color: var(--border);
      background: rgba(255, 255, 255, 0.95);
    }
    .nav .wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding-block: 1.05rem;
      transition: padding 0.3s;
    }
    .nav.scrolled .wrap { padding-block: 0.7rem; }

    .brand { display: inline-flex; align-items: center; gap: 0.7rem; }
    .brand .nav-logo {
      height: 40px;
      width: auto;
      display: block;
      transition: height 0.3s;
    }
    .nav.scrolled .brand .nav-logo { height: 32px; }
    .brand .word {
      font-family: var(--font-display);
      font-weight: 600;
      font-size: 1.12rem;
      letter-spacing: -0.01em;
      color: var(--ink);
    }
    .brand .word small {
      display: block;
      font-family: var(--font-mono);
      font-weight: 400;
      font-size: 0.58rem;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: var(--muted);
      margin-top: 1px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 2rem;
      list-style: none;
      margin: 0;
      padding: 0;
      font-size: 0.95rem;
    }
    .nav-links a {
      color: var(--brand-navy);
      position: relative;
      padding-block: 0.3rem;
      transition: color 0.2s;
    }
    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0; bottom: -2px;
      width: 0; height: 2px;
      background: var(--brand-powder);
      transition: width 0.3s var(--ease);
    }
    .nav-links a:hover { color: var(--brand-navy); }
    .nav-links a:hover::after { width: 100%; }

    .nav-actions { display: flex; align-items: center; gap: 1.25rem; }

    .nav-toggle {
      display: none;
      background: transparent;
      border: 1px solid var(--border-strong);
      border-radius: 8px;
      width: 42px; height: 42px;
      cursor: pointer;
      color: var(--brand-navy);
      align-items: center;
      justify-content: center;
    }
    .nav-toggle svg { width: 20px; height: 20px; }

    /* ============================================================
       Hero (light, powder-tinted glow, navy type)
       ============================================================ */
    .hero {
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(120% 80% at 80% -10%, rgba(150, 192, 241, 0.20), transparent 55%),
        radial-gradient(90% 70% at 5% 110%, rgba(150, 192, 241, 0.12), transparent 55%),
        var(--white);
      padding-block: clamp(3.5rem, 8vw, 6.5rem) clamp(3.5rem, 7vw, 5.5rem);
    }

    /* ambient airflow layer (soft powder shapes) */
    .airflow {
      position: absolute;
      inset: -20% -10% -20% -10%;
      z-index: 0;
      pointer-events: none;
    }
    .airflow span {
      position: absolute;
      border-radius: 50%;
      filter: blur(60px);
      opacity: 0.7;
    }
    .airflow .a1 {
      width: 40vw; height: 40vw; max-width: 560px; max-height: 560px;
      top: -8%; right: -6%;
      background: radial-gradient(circle, rgba(150, 192, 241, 0.30), transparent 68%);
      animation: drift1 22s ease-in-out infinite alternate;
    }
    .airflow .a2 {
      width: 34vw; height: 34vw; max-width: 480px; max-height: 480px;
      bottom: -12%; left: -4%;
      background: radial-gradient(circle, rgba(150, 192, 241, 0.20), transparent 68%);
      animation: drift2 26s ease-in-out infinite alternate;
    }
    .airflow .a3 {
      width: 22vw; height: 22vw; max-width: 320px; max-height: 320px;
      top: 40%; left: 45%;
      background: radial-gradient(circle, rgba(150, 192, 241, 0.14), transparent 70%);
      animation: drift3 30s ease-in-out infinite alternate;
    }
    @keyframes drift1 {
      0%   { transform: translate(0, 0) scale(1); }
      100% { transform: translate(-6%, 8%) scale(1.12); }
    }
    @keyframes drift2 {
      0%   { transform: translate(0, 0) scale(1); }
      100% { transform: translate(8%, -6%) scale(1.15); }
    }
    @keyframes drift3 {
      0%   { transform: translate(0, 0) scale(1); opacity: 0.5; }
      100% { transform: translate(-10%, -12%) scale(0.9); opacity: 0.75; }
    }

    .hero .wrap { position: relative; z-index: 1; }
    .hero-inner { max-width: 780px; }

    /* Two-column hero: copy on the left, request form on the right */
    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: clamp(2rem, 5vw, 4.5rem);
      align-items: center;
    }
    .hero-copy { max-width: 620px; }

    /* Prominent phone line in the left column */
    .hero-phone {
      display: inline-flex;
      align-items: center;
      gap: 0.85rem;
      margin-top: 2rem;
      color: var(--brand-navy);
      transition: color 0.2s var(--ease);
    }
    .hero-phone:hover { color: var(--brand-navy-hover); }
    .hero-phone-icon {
      flex: 0 0 auto;
      width: 46px; height: 46px;
      border-radius: 12px;
      background: var(--powder-wash);
      border: 1px solid var(--border);
      display: grid;
      place-items: center;
    }
    .hero-phone-icon svg { width: 22px; height: 22px; }
    .hero-phone-text {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: clamp(1.35rem, 3vw, 1.75rem);
      line-height: 1.1;
      letter-spacing: -0.01em;
    }
    .hero-phone-text small {
      display: block;
      font-family: var(--font-mono);
      font-weight: 400;
      font-size: 0.66rem;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--muted);
      margin-top: 0.3rem;
    }

    .hero-accent {
      width: 100px;
      height: 3px;
      background: var(--powder-line);
      border-radius: 2px;
      margin-bottom: 1.75rem;
      box-shadow: 0 0 22px -4px rgba(150, 192, 241, 0.7);
    }

    .hero h1 {
      font-size: clamp(2.35rem, 6.2vw, 4.1rem);
      font-weight: 700;
      letter-spacing: -0.03em;
      max-width: 15ch;
    }
    /* Powder highlight behind navy text (powder as a marker, never as text) */
    .hero h1 .accent {
      color: var(--brand-navy);
      background: linear-gradient(180deg, transparent 62%, rgba(150, 192, 241, 0.45) 62%);
      padding-inline: 0.05em;
    }
    .hero .lede {
      font-family: var(--font-mono);
      font-size: clamp(0.85rem, 2vw, 1rem);
      letter-spacing: 0.04em;
      color: var(--brand-navy);
      margin-top: 1.5rem;
    }
    .hero .sub {
      color: var(--muted);
      font-size: 1.1rem;
      margin-top: 1rem;
      max-width: 52ch;
    }

    .hero-ctas {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-top: 2.25rem;
    }

    .spec-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 0.9rem 2.4rem;
      margin-top: 3rem;
      padding-top: 1.75rem;
      border-top: 1px solid var(--border);
      font-family: var(--font-mono);
      font-size: 0.74rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--muted);
    }
    .spec-strip .spec { display: inline-flex; align-items: center; gap: 0.6rem; }
    .spec-strip .spec b {
      color: var(--ink);
      font-weight: 500;
    }
    .spec-strip .spec .dotmark {
      width: 7px; height: 7px; border-radius: 50%;
      background: var(--brand-powder);
      box-shadow: 0 0 10px 1px rgba(150, 192, 241, 0.6);
    }
    .spec-strip .spec:nth-child(2) .dotmark { background: var(--brand-navy); box-shadow: none; }

    /* ---- Inline hero form (white card on the light hero) ---- */
    .hero-form {
      margin-top: 0;
      width: 100%;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: clamp(1.4rem, 3vw, 2rem);
      box-shadow: 0 20px 45px -30px rgba(21, 42, 74, 0.35);
    }
    .hero-form .form-title {
      font-family: var(--font-display);
      font-weight: 600;
      font-size: 1.15rem;
      margin-bottom: 0.35rem;
    }
    .hero-form .form-lead {
      color: var(--muted);
      font-size: 0.95rem;
      margin-bottom: 1.5rem;
    }
    .hero-form .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.1rem;
    }
    .hero-form .field { margin-bottom: 0; }
    .hero-form .field.full { grid-column: 1 / -1; }
    .hero-form select {
      width: 100%;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 9px;
      color: var(--ink);
      font-family: var(--font-body);
      font-size: 0.98rem;
      padding: 0.8rem 0.95rem;
      appearance: none;
      -webkit-appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235A6B84' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 0.95rem center;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .hero-form select:focus {
      outline: none;
      border-color: var(--brand-navy);
      box-shadow: 0 0 0 3px rgba(150, 192, 241, 0.35);
    }
    .hero-form select option { background: var(--white); color: var(--ink); }
    .hero-form .form-foot { margin-top: 1.4rem; }

    /* Stack the hero to one column on tablet/mobile; form drops below the copy */
    @media (max-width: 900px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: clamp(2rem, 6vw, 3rem);
        align-items: stretch;
      }
      .hero-copy { max-width: none; }
    }

    @media (max-width: 560px) {
      .hero-form .form-grid { grid-template-columns: 1fr; }
    }

    /* ============================================================
       Trust strip (soft powder-tinted section)
       ============================================================ */
    .trust {
      background: var(--powder-tint);
      border-block: 1px solid var(--border);
    }
    .trust .grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      background: var(--border);
      border-inline: 1px solid var(--border);
    }
    .trust .cell {
      background: transparent;
      padding: 1.75rem var(--gutter);
      text-align: center;
    }
    .trust .cell .k {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--brand-navy);
      display: block;
      margin-bottom: 0.5rem;
    }
    .trust .cell:nth-child(even) .k { color: var(--muted); }
    .trust .cell .v {
      font-family: var(--font-display);
      font-weight: 500;
      font-size: 1.02rem;
      color: var(--ink);
    }

    /* ============================================================
       Services
       ============================================================ */
    .cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }
    .card {
      position: relative;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2rem 1.9rem 2.1rem;
      overflow: hidden;
      transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
                  box-shadow 0.35s var(--ease);
    }
    .card::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: var(--powder-line);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.45s var(--ease);
    }
    .card:hover {
      transform: translateY(-6px);
      border-color: var(--brand-powder);
      box-shadow: 0 24px 50px -30px rgba(21, 42, 74, 0.28);
    }
    .card:hover::before { transform: scaleX(1); }

    .card .num {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      color: var(--muted);
      letter-spacing: 0.1em;
    }
    .card h3 {
      font-size: 1.4rem;
      margin-top: 0.7rem;
    }
    .card p {
      color: var(--muted);
      margin-top: 0.85rem;
      font-size: 0.98rem;
    }
    .card .card-tag {
      margin-top: 1.4rem;
      font-family: var(--font-mono);
      font-size: 0.7rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--brand-navy);
    }

    /* ============================================================
       Equipment grid
       ============================================================ */
    .equip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
    }
    .equip .tile {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.75rem 1.5rem;
      display: flex;
      align-items: center;
      gap: 1.15rem;
      transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s;
    }
    .equip .tile:hover {
      transform: translateY(-4px);
      border-color: var(--brand-powder);
      background: var(--powder-tint);
    }
    .equip .icon {
      flex: 0 0 auto;
      width: 52px; height: 52px;
      border-radius: 10px;
      background: var(--powder-wash);
      border: 1px solid var(--border);
      display: grid;
      place-items: center;
      color: var(--brand-navy);
      transition: color 0.3s, border-color 0.3s;
    }
    .equip .tile:hover .icon { color: var(--brand-navy); border-color: var(--brand-powder); }
    .equip .icon svg { width: 26px; height: 26px; }
    .equip .label {
      font-family: var(--font-mono);
      font-size: 0.86rem;
      letter-spacing: 0.04em;
      color: var(--ink);
    }
    .equip .label small {
      display: block;
      color: var(--muted);
      font-size: 0.68rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      margin-top: 0.3rem;
    }

    /* ============================================================
       Gallery (filler) - navy image placeholders, brand family
       ============================================================ */
    .gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
    }
    .gallery .shot {
      position: relative;
      aspect-ratio: 4 / 3;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      overflow: hidden;
      display: flex;
      align-items: flex-end;
      padding: 1rem 1.1rem;
      transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
    }
    .gallery .shot:hover { transform: translateY(-4px); border-color: var(--brand-powder); }
    .gallery .shot span {
      position: relative;
      z-index: 1;
      font-family: var(--font-mono);
      font-size: 0.7rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--white);
    }
    .gallery .shot::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 40%, rgba(21, 42, 74, 0.85) 100%);
    }
    .gallery .g1 { background: linear-gradient(135deg, #1E3A66, #152A4A); }
    .gallery .g2 { background: linear-gradient(135deg, #244A7D, #152A4A); }
    .gallery .g3 { background: linear-gradient(135deg, #152A4A, #1E3A66); }
    .gallery .g4 { background: linear-gradient(135deg, #1E3A66, #244A7D); }
    .gallery .g5 { background: linear-gradient(135deg, #152A4A, #244A7D); }
    .gallery .g6 { background: linear-gradient(135deg, #244A7D, #1E3A66); }

    /* ============================================================
       Testimonial + Blog cards (filler)
       ============================================================ */
    .quote {
      font-family: var(--font-display);
      font-size: 1.12rem;
      line-height: 1.45;
      color: var(--ink);
    }
    /* Decorative, aria-hidden quotation mark: powder as a pure accent */
    .quote-mark {
      font-family: var(--font-display);
      font-size: 2.4rem;
      line-height: 1;
      color: var(--brand-powder);
      display: block;
      margin-bottom: 0.4rem;
    }
    .attrib {
      margin-top: 1.4rem;
      font-family: var(--font-mono);
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      color: var(--muted);
    }
    .attrib b { color: var(--brand-navy); font-weight: 500; }
    .post-meta {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--brand-navy);
    }
    .read-more {
      margin-top: 1.4rem;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      font-family: var(--font-mono);
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--brand-navy);
    }
    .read-more::after {
      content: "";
      width: 16px; height: 1px;
      background: var(--powder-line);
      transition: width 0.3s var(--ease);
    }
    .card:hover .read-more::after { width: 30px; }

    /* ============================================================
       About (soft powder-tinted, people/warmth section)
       ============================================================ */
    .about {
      position: relative;
      overflow: hidden;
      background: var(--brand-navy); /* fallback behind the images, no flash */
      border-block: 1px solid var(--border);
    }

    /* Slideshow layers sit at the back; content wrap is lifted above them */
    .about-bg {
      position: absolute;
      inset: 0;
      z-index: 0;
    }
    .about-slide {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0;
      animation: aboutFade 18s var(--ease) infinite;
    }
    /* Staggered so the visible order is 5 -> 6 -> 7, each ~5s + ~1s fade.
       Negative delays put the cycle in steady state at load: only s1 shows. */
    .about-slide.s1 { opacity: 1; animation-delay: 0s; }
    .about-slide.s2 { animation-delay: -12s; }
    .about-slide.s3 { animation-delay: -6s; }

    @keyframes aboutFade {
      0%      { opacity: 1; }  /* visible */
      27.78%  { opacity: 1; }  /* hold ~5s */
      33.33%  { opacity: 0; }  /* faded out by ~6s */
      94.44%  { opacity: 0; }  /* stay hidden */
      100%    { opacity: 1; }  /* fade back in over last ~1s */
    }

    /* Strong brand-navy overlay for text readability (darker than the hero) */
    .about-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(
        180deg,
        rgba(21, 42, 74, 0.88) 0%,
        rgba(21, 42, 74, 0.82) 100%
      ); /* --brand-navy (#152A4A) at high opacity */
    }

    .about .wrap { position: relative; z-index: 1; }

    /* Text flips to white/powder now that the section background is dark */
    .about-story h2 { color: var(--white); }
    .about .eyebrow { color: var(--brand-powder); }
    .about .btn-ghost { color: var(--white); border-color: rgba(255, 255, 255, 0.4); }
    .about .btn-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }
    .about-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: clamp(2rem, 5vw, 4rem);
      align-items: start;
    }
    .about-story p { color: rgba(255, 255, 255, 0.88); margin-top: 1.15rem; font-size: 1.04rem; }
    .about-story p strong { color: var(--white); font-weight: 600; }
    .about-story .turnover {
      color: var(--brand-powder);
      font-family: var(--font-mono);
      font-weight: 500;
    }

    /* Navy cards inside the light section: powder/white text bookends the brand */
    .vm-block {
      border: 1px solid var(--border-strong);
      border-radius: var(--radius);
      background: var(--brand-navy);
      padding: 1.5rem 1.6rem;
      margin-bottom: 1.1rem;
    }
    .vm-block .k {
      font-family: var(--font-mono);
      font-size: 0.68rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--brand-powder);
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      margin-bottom: 0.65rem;
    }
    .vm-block .k::before {
      content: ""; width: 18px; height: 2px; background: var(--powder-line);
    }
    .vm-block .v { font-family: var(--font-display); font-size: 1.12rem; line-height: 1.35; color: var(--white); }

    .values {
      margin-top: 1.6rem;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.75rem;
      list-style: none;
      padding: 0;
    }
    .values li {
      border: 1px solid var(--border-strong);
      border-radius: 10px;
      padding: 0.85rem 1rem;
      background: var(--brand-navy);
      color: var(--white);
      font-family: var(--font-mono);
      font-size: 0.82rem;
      letter-spacing: 0.06em;
      display: flex;
      align-items: center;
      gap: 0.65rem;
      transition: border-color 0.25s var(--ease);
    }
    .values li:hover { border-color: var(--brand-powder); }
    .values li::before {
      content: "";
      width: 8px; height: 8px; border-radius: 2px;
      background: var(--powder-line);
      flex: 0 0 auto;
    }

    /* ============================================================
       CTA band (soft powder-tinted section)
       ============================================================ */
    .cta-band {
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(80% 120% at 100% 0%, rgba(150, 192, 241, 0.22), transparent 60%),
        radial-gradient(80% 120% at 0% 100%, rgba(150, 192, 241, 0.14), transparent 60%),
        var(--powder-tint);
    }
    .cta-band .wrap {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 1.75rem;
    }
    .cta-band h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); }
    .cta-band p { color: var(--muted); margin-top: 0.6rem; font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; }
    .cta-band .actions { display: flex; flex-wrap: wrap; gap: 1rem; }

    /* ============================================================
       Contact
       ============================================================ */
    .contact-grid {
      display: grid;
      grid-template-columns: 0.85fr 1.15fr;
      gap: clamp(2rem, 5vw, 3.5rem);
      align-items: start;
    }
    .contact-info .row {
      padding: 1.15rem 0;
      border-bottom: 1px solid var(--border);
    }
    .contact-info .row:first-child { padding-top: 0; }
    .contact-info .k {
      font-family: var(--font-mono);
      font-size: 0.68rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--muted);
      display: block;
      margin-bottom: 0.35rem;
    }
    .contact-info .v { font-size: 1.05rem; color: var(--ink); }
    .contact-info a.v:hover { color: var(--brand-navy); text-decoration: underline; }
    .contact-info .v.mono { font-family: var(--font-mono); font-size: 1rem; }

    form.contact-form {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: clamp(1.6rem, 4vw, 2.3rem);
      box-shadow: 0 20px 45px -30px rgba(21, 42, 74, 0.3);
    }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
    .field { margin-bottom: 1.1rem; }
    .field.full { grid-column: 1 / -1; }
    .field label {
      display: block;
      font-family: var(--font-mono);
      font-size: 0.7rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--brand-navy);
      margin-bottom: 0.5rem;
    }
    .field input,
    .field textarea {
      width: 100%;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 9px;
      color: var(--ink);
      font-family: var(--font-body);
      font-size: 0.98rem;
      padding: 0.8rem 0.95rem;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .field input::placeholder,
    .field textarea::placeholder { color: rgba(90, 107, 132, 0.7); }
    .field input:focus,
    .field textarea:focus {
      outline: none;
      border-color: var(--brand-navy);
      box-shadow: 0 0 0 3px rgba(150, 192, 241, 0.35);
    }
    .field textarea { resize: vertical; min-height: 120px; }
    .form-foot {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 1rem;
      margin-top: 0.5rem;
    }
    .form-note {
      font-family: var(--font-mono);
      font-size: 0.7rem;
      color: var(--muted);
      letter-spacing: 0.04em;
    }
    .form-status {
      font-family: var(--font-mono);
      font-size: 0.78rem;
      color: var(--brand-navy);
      min-height: 1.2em;
    }

    /* ============================================================
       Footer: branded contact band
       ============================================================ */
    .contact-band {
      background: var(--brand-navy);
      color: var(--white);
    }
    .contact-band-inner {
      max-width: var(--maxw);
      margin: 0 auto;
      padding-inline: var(--gutter);
      display: flex;
      align-items: stretch;
      gap: clamp(1.5rem, 4vw, 3rem);
    }

    /* Angled powder logo panel: diagonal right edge, bleeds top and bottom */
    .cb-logo {
      flex: 0 0 auto;
      align-self: stretch;
      width: clamp(190px, 22vw, 260px);
      background: var(--brand-powder);
      clip-path: polygon(0 0, 100% 0, 82% 100%, 0 100%);
      display: grid;
      place-items: center;
      padding: clamp(1.75rem, 4vw, 2.75rem);
      padding-right: clamp(2.75rem, 5vw, 4rem);
    }
    .cb-logo img { width: 100%; max-width: 150px; height: auto; }
    /* Navy ring stays visible on the powder panel and is not clipped by the diagonal */
    .cb-logo:focus-visible { outline-color: var(--brand-navy); outline-offset: -6px; }

    /* Social icons */
    .cb-social {
      flex: 0 0 auto;
      display: flex;
      flex-wrap: wrap;
      align-content: center;
      justify-content: center;
      gap: 0.85rem;
      max-width: 150px;
      padding-block: clamp(2rem, 5vw, 3rem);
    }
    .cb-social a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      border: 1px solid rgba(150, 192, 241, 0.28);
      color: var(--contact-icon);
      transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
    }
    .cb-social a:hover {
      color: var(--white);
      border-color: var(--white);
      background: rgba(255, 255, 255, 0.06);
    }
    .cb-social svg { width: 20px; height: 20px; }

    /* Three contact columns */
    .cb-contacts {
      flex: 1;
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: clamp(1.5rem, 4vw, 2.75rem);
      padding-block: clamp(2rem, 5vw, 3rem);
    }
    .cb-col { display: flex; align-items: center; gap: 0.85rem; }
    .cb-icon {
      flex: 0 0 auto;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: var(--powder-tint);
      border: 1px solid rgba(150, 192, 241, 0.22);
      display: grid;
      place-items: center;
      color: var(--contact-icon);
    }
    .cb-icon svg { width: 20px; height: 20px; }
    .cb-text { display: flex; flex-direction: column; gap: 0.2rem; }
    .cb-label {
      font-family: var(--font-mono);
      font-size: 0.68rem;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--brand-powder);
    }
    .cb-value { color: var(--white); font-size: 1rem; max-width: 24ch; }
    a.cb-value { transition: color 0.2s; }
    a.cb-value:hover { color: var(--brand-powder); text-decoration: underline; }

    /* Responsive: stack and center on tablet/mobile */
    @media (max-width: 900px) {
      .contact-band-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding-inline: 0;
      }
      .cb-logo {
        width: 100%;
        clip-path: none;                 /* straight powder band when narrow */
        padding: clamp(1.75rem, 6vw, 2.5rem);
      }
      .cb-logo img { max-width: 160px; }
      .cb-social {
        max-width: none;
        justify-content: center;
        padding: clamp(1.75rem, 5vw, 2.25rem) var(--gutter) 0;
      }
      .cb-contacts {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1.5rem;
        padding: clamp(1.75rem, 5vw, 2.5rem) var(--gutter) clamp(2.25rem, 6vw, 3rem);
      }
      .cb-col { width: 100%; max-width: 320px; }
    }

    /* ============================================================
       Scroll reveal
       ============================================================ */
    .reveal {
      opacity: 0;
      transform: translateY(26px);
      transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
      will-change: opacity, transform;
    }
    .reveal.visible { opacity: 1; transform: none; }
    .reveal.d1 { transition-delay: 0.08s; }
    .reveal.d2 { transition-delay: 0.16s; }
    .reveal.d3 { transition-delay: 0.24s; }
    .reveal.d4 { transition-delay: 0.32s; }
    .reveal.d5 { transition-delay: 0.40s; }

    /* ============================================================
       Responsive
       ============================================================ */
    @media (max-width: 900px) {
      .nav-links, .nav-actions .btn-nav-call { display: none; }
      .nav-toggle { display: inline-flex; }
      .nav.open .nav-links {
        display: flex;
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        background: rgba(255, 255, 255, 0.98);
        border-bottom: 1px solid var(--border);
        padding: 1rem var(--gutter) 1.4rem;
      }
      .nav.open .nav-links a { padding-block: 0.6rem; width: 100%; }

      .about-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .trust .grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 780px) {
      .cards { grid-template-columns: 1fr; }
      .equip { grid-template-columns: repeat(2, 1fr); }
      .gallery { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 560px) {
      body { font-size: 16px; }
      .equip { grid-template-columns: 1fr; }
      .gallery { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      .values { grid-template-columns: 1fr; }
      .cta-band .wrap { flex-direction: column; align-items: flex-start; }
    }

    /* ============================================================
       Reduced motion
       ============================================================ */
    @media (prefers-reduced-motion: reduce) {
      * { scroll-behavior: auto !important; }
      .airflow span { animation: none !important; }
      .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
      .btn, .card, .equip .tile { transition: none !important; }
      /* Do not auto-rotate: show only the first slide statically */
      .about-slide { animation: none !important; opacity: 0 !important; }
      .about-slide.s1 { opacity: 1 !important; }
    }

/* ============================================================
   Multi-page additions
   ============================================================ */

/* Active nav link (current page) */
.nav-links a.active { color: var(--brand-powder); }
.nav-links a.active::after { width: 100%; }

/* ------------------------------------------------------------
   Sub-page header band (services, equipment, about, etc.)
   ------------------------------------------------------------ */
.page-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 140% at 85% -10%, rgba(150, 192, 241, 0.16), transparent 60%),
    var(--brand-navy);
  color: var(--white);
  padding-block: clamp(3.5rem, 8vw, 6rem);
  border-bottom: 1px solid var(--border);
}
.page-hero .wrap { position: relative; z-index: 1; max-width: 820px; }
.page-hero .eyebrow { color: var(--brand-powder); }
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
  color: var(--white);
}
.page-hero p.lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.82);
  max-width: 60ch;
}

/* Breadcrumb line under the page-hero title */
.crumbs {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.25rem;
}
.crumbs a { color: var(--brand-powder); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs span { opacity: 0.5; }

/* Detail lists used on the expanded sub-pages */
.detail-list { display: grid; gap: 1rem; margin-top: 1.5rem; }
.detail-list li {
  list-style: none;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  color: var(--ink-soft);
}
.detail-list li::before {
  content: "";
  flex: none;
  width: 8px; height: 8px;
  margin-top: 0.5rem;
  border-radius: 2px;
  background: var(--brand-powder);
}

/* ============================================================
   Hero background slideshow
   Four photos cross-fade behind the hero content. A navy wash
   sits above the images (stronger on the text side) so the white
   headline and the form both stay readable. Content is layered
   on top via .hero .wrap { z-index: 2 }.
   ============================================================ */

/* Navy fallback prevents a white flash before the first photo paints */
.hero { background: var(--brand-navy); }

/* The ambient powder blobs would clutter the photos — hide them here */
.hero .airflow { display: none; }

.hero-slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: heroSlide 20s linear infinite;
  will-change: opacity;
}
/* First image visible immediately (no flash); negative delays stagger the rest
   so exactly one photo holds at a time: ~4s hold + 1s cross-fade = 5s each. */
.hero-slide:nth-child(1) { opacity: 1; animation-delay: 0s; }
.hero-slide:nth-child(2) { animation-delay: -15s; }
.hero-slide:nth-child(3) { animation-delay: -10s; }
.hero-slide:nth-child(4) { animation-delay: -5s; }

@keyframes heroSlide {
  0%   { opacity: 1; }
  20%  { opacity: 1; }   /* hold ~4s */
  25%  { opacity: 0; }   /* fade out ~1s */
  95%  { opacity: 0; }
  100% { opacity: 1; }   /* fade back in over the last 1s → seamless loop */
}

/* Navy overlay: heavier on the left (headline), lighter on the right (form) */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(21, 42, 74, 0.88) 0%,
    rgba(21, 42, 74, 0.78) 40%,
    rgba(21, 42, 74, 0.58) 100%
  );
}

/* Lift the content above the images + overlay */
.hero .wrap { position: relative; z-index: 2; }

/* ---- Dark-theme text overrides (hero only) ----
   The hero copy was navy-on-white; on the photo backdrop it becomes
   white/powder so it reads against the navy wash. The form is a white
   card and needs no change. */
.hero h1 { color: var(--white); }
.hero h1 .accent {
  color: var(--brand-powder);
  background: none;
}
.hero .lede { color: var(--brand-powder); }
.hero .sub { color: rgba(255, 255, 255, 0.85); }

.hero-phone { color: var(--white); }
.hero-phone:hover { color: var(--brand-powder); }
.hero-phone-icon {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.28);
}
.hero-phone-text small { color: rgba(255, 255, 255, 0.7); }

.spec-strip {
  border-top-color: rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.72);
}
.spec-strip .spec b { color: var(--white); }
.spec-strip .spec:nth-child(2) .dotmark { background: var(--white); box-shadow: none; }

/* Reduced motion: no auto-rotate, just the first photo held static */
@media (prefers-reduced-motion: reduce) {
  .hero-slide { animation: none; opacity: 0; }
  .hero-slide:nth-child(1) { opacity: 1; }
}