:root {
    --ink: #0E1519;
    --paper: #F5F7F5;
    --surface: #FFFFFF;
    --sunken: #E6EBE4;
    --field: #12202A;
    --field-2: #0C171E;
    --signal: #1E68AB;
    --signal-bright: #3A88CF;
    --signal-ink: #154C80;
    --on-signal: #FFFFFF;
    --grad: linear-gradient(125deg, #1E68AB 0%, #3D53A8 52%, #5A54BE 100%);
    --grad-hover: linear-gradient(125deg, #2374BE 0%, #4A5FBE 52%, #6C64D2 100%);
    --grad-soft: linear-gradient(140deg, #274F98 0%, #4656AE 45%, #7D86D4 100%);
    --grad-h: linear-gradient(90deg, #1E68AB, #5A54BE);
    --steel: #5A6773;
    --hair: #DBDFDA;

    --r: 16px;
    --r-lg: 26px;
    --blob: 30px 30px 30px 6px;
    --blob-flip: 30px 6px 30px 30px;
    --blob-sm: 18px 18px 18px 5px;
    --shadow: 0 2px 6px rgba(14,21,25,.06), 0 18px 44px rgba(14,21,25,.10);
    --shadow-lift: 0 4px 10px rgba(14,21,25,.10), 0 30px 60px rgba(14,21,25,.16);

    --nav-h: 66px;
    --wrap: 1180px;
    --pad: clamp(20px, 5vw, 60px);

    --fs-mono: 0.76rem;
    --fs-body: 1rem;
    --fs-lead: 1.16rem;
    --fs-h2: clamp(1.8rem, 3.6vw, 2.7rem);
    --fs-display: clamp(2.3rem, 5.2vw, 3.9rem);
    color-scheme: light;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 30px); -webkit-text-size-adjust: 100%; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    font-size: var(--fs-body);
    line-height: 1.62;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  h1, h2, h3, h4 {
    font-family: "Archivo", "Arial Narrow", system-ui, sans-serif;
    font-weight: 800;
    letter-spacing: -0.015em;
    line-height: 1.12;
    text-wrap: balance;
    margin: 0;
  }
  h2 { font-weight: 700; }
  h3, h4 { font-weight: 700; letter-spacing: -0.01em; }
  p { margin: 0; }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }

  .wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 9px;
    font-family: "IBM Plex Mono", monospace;
    font-size: var(--fs-mono);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--signal-ink);
    margin: 0 0 16px;
  }
  .eyebrow::before {
    content: ""; width: 15px; height: 15px; flex: none;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M18.5 6 A9 9 0 1 0 20.5 10.2' stroke='%231E68AB' stroke-width='2.6' stroke-linecap='round'/%3E%3Ccircle cx='12' cy='12' r='3.2' fill='%231E68AB'/%3E%3C/svg%3E") center/contain no-repeat;
  }
  .center { text-align: center; }
  .center .eyebrow { justify-content: center; }

  /* ---------- buttons ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: "IBM Plex Sans", sans-serif;
    font-weight: 600;
    font-size: 0.94rem;
    letter-spacing: 0.01em;
    padding: 13px 24px;
    border-radius: 999px;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: transform .12s, background .16s, color .16s, border-color .16s, box-shadow .16s;
  }
  .btn:active { transform: translateY(1px); }
  .btn--primary { background: var(--grad); color: #fff; box-shadow: 0 6px 18px rgba(46,58,150,.24); }
  .btn--primary:hover { background: var(--grad-hover); box-shadow: 0 9px 26px rgba(46,58,150,.32); }
  .btn--ghost { border-color: currentColor; }
  .btn--ghost:hover { background: rgba(255,255,255,.12); }
  .btn--dark { background: var(--ink); color: var(--paper); }
  .btn--dark:hover { background: #000; }
  .btn .arw { transition: transform .16s; }
  .btn:hover .arw { transform: translateX(3px); }

  /* ---------- nav ---------- */
  .nav {
    position: sticky; top: 0; z-index: 60;
    height: var(--nav-h);
    background: color-mix(in srgb, var(--paper) 90%, transparent);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--hair);
  }
  .nav__in { max-width: var(--wrap); margin: 0 auto; height: 100%; padding: 0 var(--pad);
    display: flex; align-items: center; justify-content: space-between; gap: 24px; }
  .brand { display: inline-flex; align-items: center; gap: 12px; white-space: nowrap; }
  .brand__mark { width: 26px; height: 26px; flex: none; color: var(--ink); }
  .brand__mark svg { display: block; width: 100%; height: 100%; }
  .brand__wm { font-family: "Archivo", sans-serif; font-weight: 800; font-size: 1.02rem;
    letter-spacing: 0.16em; text-transform: uppercase; }
  .brand__wm i { color: var(--signal); font-style: normal; }
  .nav .brand__wm i { color: var(--signal); }
  .nav__links { display: flex; align-items: center; gap: 30px; }
  .nav__links > a, .navdrop > button {
    font-size: 0.9rem; font-weight: 500; color: var(--ink);
    background: none; border: 0; cursor: pointer; font-family: inherit;
    padding: 6px 0; display: inline-flex; align-items: center; gap: 6px;
    border-bottom: 2px solid transparent; transition: color .15s, border-color .15s;
  }
  .nav__links > a:hover, .navdrop > button:hover { color: var(--signal-ink); }
  .nav__links > a.is-active { border-color: var(--signal); }
  .navdrop { position: relative; }
  .navdrop__menu {
    position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%) translateY(-6px);
    background: var(--surface); border: 1px solid var(--hair); border-radius: var(--r);
    box-shadow: var(--shadow); padding: 10px; min-width: 300px;
    opacity: 0; visibility: hidden; transition: opacity .16s, transform .16s, visibility .16s;
  }
  .navdrop:hover .navdrop__menu, .navdrop:focus-within .navdrop__menu {
    opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
  }
  .navdrop__menu a { display: block; padding: 10px 12px; border-radius: 10px; font-size: 0.9rem; }
  .navdrop__menu a:hover { background: var(--sunken); color: var(--signal-ink); }
  .navdrop__menu a b { display: block; font-weight: 600; }
  .navdrop__menu a span { font-size: 0.78rem; color: var(--steel); }
  .nav__cta { margin-left: 4px; }
  .nav__tools { display: flex; align-items: center; gap: 12px; }
  .nav__burger { display: none; background: none; border: 1px solid var(--hair); border-radius: 8px;
    color: var(--ink); font-family: "IBM Plex Mono", monospace; font-size: 0.7rem; text-transform: uppercase;
    padding: 9px 12px; cursor: pointer; }

  /* ---------- hero carousel ---------- */
  .hero { position: relative; height: min(88vh, 760px); min-height: 520px; overflow: hidden; background: var(--field); }
  .slide {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center; text-align: center;
    opacity: 0; visibility: hidden;
    transition: opacity .9s ease;
  }
  .slide.is-on { opacity: 1; visibility: visible; }
  .slide__bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    transform: scale(1.06);
  }
  .slide.is-on .slide__bg { animation: kb 9s ease-out forwards; }
  @keyframes kb { from { transform: scale(1.02); } to { transform: scale(1.14); } }
  @media (prefers-reduced-motion: reduce) {
    .slide.is-on .slide__bg { animation: none; transform: scale(1.06); }
    .slide { transition: none; }
  }
  .slide__bg::after {
    content: ""; position: absolute; inset: 0;
    background:
      radial-gradient(66% 58% at 50% 50%, rgba(6,11,16,.80), rgba(6,11,16,.42) 82%),
      linear-gradient(180deg, rgba(6,11,16,.40) 0%, rgba(6,11,16,.66) 100%),
      radial-gradient(120% 90% at 12% 0%, rgba(30,104,171,.22), transparent 52%);
  }
  .slide__in { position: relative; z-index: 2; color: #F3F6F4; max-width: 1040px; padding: 0 var(--pad);
    text-shadow: 0 2px 24px rgba(0,0,0,.6); }
  .slide__in::before {
    content: ""; position: absolute; z-index: -1; inset: -30px clamp(-10px, 4vw, 40px);
    background: radial-gradient(62% 72% at 50% 50%, rgba(5,9,13,.55), transparent 74%);
    pointer-events: none;
  }
  .slide__in .eyebrow::before { display: none; }
  .slide__in .eyebrow {
    display: inline-flex; margin: 0 0 22px;
    font-size: 0.9rem; font-weight: 500; letter-spacing: 0.2em;
    color: #EAF2FC; text-shadow: 0 2px 10px rgba(0,0,0,.5);
    padding: 8px 18px; border-radius: 999px;
    border: 1px solid rgba(255,255,255,.34); background: rgba(255,255,255,.10);
    -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
  }
  .slide h2 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); color: #fff; font-weight: 800; line-height: 1.09; }
  .slide h2 .dim { color: #EAF1FA; display: block; }
  .slide p { font-size: clamp(1rem, 1.15vw, 1.12rem); color: #F1F4F2; margin: 18px auto 30px; max-width: 42ch; }
  .hero__nav {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22); color: #fff;
    width: 46px; height: 46px; border-radius: 999px; cursor: pointer;
    display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
    transition: background .15s;
  }
  .hero__nav:hover { background: rgba(255,255,255,.2); }
  .hero__nav.prev { left: clamp(10px, 3vw, 34px); }
  .hero__nav.next { right: clamp(10px, 3vw, 34px); }
  .hero__dots { position: absolute; bottom: 90px; left: 50%; transform: translateX(-50%); z-index: 5;
    display: flex; gap: 10px; }
  .hero__dots button { width: 9px; height: 9px; border-radius: 999px; border: 0; cursor: pointer;
    background: rgba(255,255,255,.35); transition: background .15s, width .15s; }
  .hero__dots button.is-on { background: var(--signal-bright); width: 26px; }
  @media (max-width: 720px) { .hero__nav { display: none; } .hero__dots { bottom: 74px; } }

  /* ---------- floating cards ---------- */
  .floaters { position: relative; z-index: 20; margin-top: -70px; }
  .floaters .wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .fcard {
    background: var(--surface); border: 1px solid var(--hair); border-radius: 46px 6px 46px 6px;
    box-shadow: var(--shadow); position: relative; overflow: hidden;
    transition: transform .18s, box-shadow .18s;
    color: var(--ink);
  }
  .floaters .wrap > .fcard:nth-child(2) { border-radius: 6px 46px 6px 46px; }
  .fcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); }
  .fcard__head { background: var(--grad-soft); padding: 24px 26px 26px; border-radius: 0 0 36px 6px; }
  .floaters .wrap > .fcard:nth-child(2) .fcard__head { border-radius: 0 0 6px 36px; }
  .fcard__ic {
    width: 50px; height: 50px; border-radius: 14px 14px 14px 5px; display: grid; place-items: center;
    background: rgba(255,255,255,.26); border: 1px solid rgba(255,255,255,.35); color: #fff;
    margin: 0;
  }
  .fcard__ic svg { width: 26px; height: 26px; }
  .fcard__body { padding: 20px 26px 26px; text-align: left; }
  .fcard h3 { font-size: 1.2rem; margin-bottom: 7px; color: var(--ink); }
  .fcard p { font-size: 0.92rem; color: var(--steel); margin-bottom: 14px; }
  .fcard a.more { font-family: "IBM Plex Mono", monospace; font-size: 0.76rem; letter-spacing: 0.04em;
    text-transform: uppercase; color: var(--signal-ink); display: inline-flex; gap: 7px; align-items: center; }
  .fcard a.more:hover { gap: 11px; }

  /* ---------- sections ---------- */
  section { scroll-margin-top: calc(var(--nav-h) + 20px); }
  .band { padding: clamp(52px, 7vw, 92px) 0; }
  .band--sunken { background: var(--sunken); }
  .band__head { max-width: 640px; margin-bottom: clamp(30px, 4vw, 42px); }
  .band__head.center { margin-left: auto; margin-right: auto; }
  .band__head h2 { font-size: var(--fs-h2); }
  .band__head p { color: var(--steel); margin-top: 14px; font-size: var(--fs-lead); }

  /* ---------- services (info layout) ---------- */
  .svc-info { display: grid; grid-template-columns: 1fr 0.66fr 1fr; gap: 24px; align-items: stretch; }
  .svc-col { display: flex; flex-direction: column; gap: 22px; z-index: 1; }
  .svc-col > .svc-h { flex: 1; }
  .svc-h {
    display: flex; flex-direction: column; overflow: hidden;
    background: var(--surface); border: 1px solid var(--hair);
    border-radius: 22px 22px 22px 6px;
    box-shadow: var(--shadow);
    padding: 24px 22px;
    transition: transform .16s, box-shadow .16s;
  }
  .svc-h:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
  .svc-h--flip { border-radius: 22px 22px 6px 22px; }
  .svc-h__ic {
    width: 46px; height: 46px; flex: none; border-radius: 13px 13px 13px 4px;
    display: grid; place-items: center;
    background: var(--grad);
    color: #fff; margin-bottom: 14px;
  }
  .svc-h__ic svg { width: 24px; height: 24px; }
  .svc-h__body { padding: 0; display: flex; flex-direction: column; flex: 1; align-items: flex-start; text-align: left; }
  .svc-h__body h3 { font-size: 1.15rem; margin-bottom: 7px; }
  .svc-h__body p { font-size: 0.9rem; color: var(--steel); line-height: 1.55; }
  .svc-h__more {
    display: inline-block; margin-top: auto; padding: 14px 0 0;
    background: none; border: 0; cursor: pointer; text-align: left;
    font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; letter-spacing: 0.05em;
    text-transform: uppercase; color: var(--signal-ink);
  }
  .svc-h__more:hover { color: var(--signal); }
  .svc-h__more:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }

  .svc-center {
    align-self: stretch; z-index: 3;
    display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
    background: var(--signal);
    color: #fff;
    border-radius: 40px 40px 40px 12px;
    padding: 40px 28px;
    margin: 0 -12px;
    box-shadow: var(--shadow-lift);
  }
  .svc-center__ic { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
    background: rgba(255,255,255,.24); border: 1px solid rgba(255,255,255,.35); margin-bottom: 14px; color: #fff; }
  .svc-center__ic svg { width: 26px; height: 26px; }
  .svc-center h3 { font-size: 1.18rem; margin-bottom: 10px; }
  .svc-center p { font-size: 0.9rem; color: rgba(255,255,255,.92); margin-bottom: 18px; line-height: 1.5; }
  .svc-center .btn--primary { background: #fff; color: #22488F; box-shadow: 0 6px 18px rgba(0,0,0,.18); }
  .svc-center .btn--primary:hover { background: #EEF2FB; }

  .svc-info__foot { text-align: center; margin-top: 34px; color: var(--steel); font-size: 0.95rem; }
  .svc-info__foot a { color: var(--signal-ink); font-weight: 600; }
  .svc-info__foot a:hover { text-decoration: underline; }

  /* ---------- split ---------- */
  .split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 70px); align-items: center; }
  .split__media { border-radius: var(--blob); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3; background: var(--field); }
  .split__media img { width: 100%; height: 100%; object-fit: cover; }
  .split h2 { font-size: var(--fs-h2); margin-bottom: 16px; }
  .split p { color: var(--steel); margin-bottom: 14px; }
  .split .btn { margin-top: 10px; }
  .split--flip .split__media { order: 2; }

  /* ---------- calculator ---------- */
  .calc { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: stretch; }
  .calc__panel { background: var(--surface); border: 1px solid var(--hair); border-radius: var(--blob); padding: 30px; box-shadow: var(--shadow); }
  .calc__controls { display: grid; gap: 22px; }
  .field label { font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; letter-spacing: 0.06em;
    text-transform: uppercase; color: var(--steel); display: block; margin-bottom: 8px; }
  .field input[type="number"] { width: 100%; font-family: "IBM Plex Mono", monospace; font-size: 1.05rem;
    padding: 12px 14px; background: var(--paper); color: var(--ink); border: 1px solid var(--hair); border-radius: 10px; }
  .field input:focus-visible { outline: 2px solid var(--signal); outline-offset: 1px; }
  .field input[type="range"] { width: 100%; accent-color: var(--signal); margin-top: 6px; }
  .field .rangeval { font-family: "IBM Plex Mono", monospace; font-size: 0.86rem; color: var(--ink); text-transform: none; letter-spacing: 0; }
  .calc__out { background: var(--field); color: #EFF2EE; border: 1px solid var(--hair); border-radius: var(--blob-flip); padding: 34px 32px;
    display: flex; flex-direction: column; justify-content: center; }
  .calc__out .lbl { font-family: "IBM Plex Mono", monospace; font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: #9DAAA5; }
  .calc__out .big { font-family: "Archivo", sans-serif; font-weight: 800; font-size: clamp(2rem, 4.6vw, 2.9rem);
    color: #fff; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; margin: 6px 0 4px; line-height: 1.05; }
  .calc__out .row2 { display: flex; gap: 28px; margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.16); flex-wrap: wrap; }
  .calc__out .row2 .n { font-family: "Archivo", sans-serif; font-weight: 700; font-size: 1.3rem; display: block; font-variant-numeric: tabular-nums; }
  .calc__note { font-size: 0.86rem; color: #9DAAA5; margin-top: 18px; line-height: 1.5; }
  .calc__note b { color: var(--signal-bright); font-weight: 600; }
  .calc__out .btn { margin-top: 22px; align-self: flex-start; }
  .calc__disclaimer { font-size: 0.76rem; color: var(--steel); margin-top: 22px; max-width: 62ch; }

  /* ---------- modal ---------- */
  .modal { position: fixed; inset: 0; z-index: 200; display: none; }
  .modal.open { display: block; }
  .modal__backdrop { position: absolute; inset: 0; background: rgba(6,12,15,.68); backdrop-filter: blur(3px); }
  .modal__box {
    position: relative;
    max-width: 900px;
    width: calc(100% - 32px);
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    margin: 24px auto;
    background: var(--paper);
    border: 1px solid var(--hair);
    border-radius: 30px 30px 30px 10px;
    padding: 40px clamp(20px, 4vw, 44px);
    box-shadow: var(--shadow-lift);
  }
  @media (prefers-reduced-motion: no-preference) {
    .modal.open .modal__box { animation: pop .22s cubic-bezier(.2,.8,.2,1); }
    @keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.98); } }
  }
  .modal__x {
    position: absolute; top: 16px; right: 16px;
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--sunken); border: 1px solid var(--hair); color: var(--ink);
    font-size: 0.9rem; cursor: pointer; line-height: 1;
  }
  .modal__x:hover { background: var(--grad); color: #fff; border-color: transparent; }
  .modal__box h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
  .modal__sub { color: var(--steel); margin: 12px 0 26px; max-width: 60ch; }
  .modal__box .calc { margin-bottom: 6px; }
  .modal__box--wide { max-width: 1000px; }

  /* ---------- projects modal ---------- */
  .projgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 6px; }
  .projcard { border: 1px solid var(--hair); border-radius: 40px 6px 40px 6px; overflow: hidden;
    background: var(--surface); display: flex; flex-direction: column;
    box-shadow: var(--shadow); transition: transform .16s, box-shadow .16s; }
  .projcard:nth-child(2n) { border-radius: 6px 40px 6px 40px; }
  .projcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
  .projcard__img { aspect-ratio: 16 / 10; display: grid; place-items: center;
    border-radius: 0 0 34px 6px; }
  .projcard:nth-child(2n) .projcard__img { border-radius: 0 0 6px 34px; }
  .projcard__img svg { width: 82px; height: 82px; }
  .projcard__img--asist { background: var(--grad-soft); color: #EAF2FA; }
  .projcard__img--cred  { background: linear-gradient(140deg, #2A4C9C 0%, #5A54BE 60%, #7D86D4 100%); color: #EAF2FA; }
  .projcard__img--mesa  { background: linear-gradient(140deg, #1E3E63 0%, #3D53A8 60%, #6E77C9 100%); color: #EAF2FA; }
  .projcard__img--trans { background: linear-gradient(140deg, #1E68AB 0%, #3D53A8 70%, #5A54BE 100%); color: #EAF2FA; }
  .projcard__body { padding: 20px 22px 22px; }
  .projcard__body h3 { font-size: 1.1rem; margin-bottom: 6px; }
  .projcard__body p { font-size: 0.9rem; color: var(--steel); line-height: 1.55; }
  .projcard__tags { list-style: none; padding: 0; margin: 13px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
  .projcard__tags li { font-family: "IBM Plex Mono", monospace; font-size: 0.64rem; letter-spacing: 0.04em;
    text-transform: uppercase; color: var(--signal-ink);
    background: color-mix(in srgb, var(--signal) 12%, transparent); border-radius: 999px; padding: 3px 9px; }
  #projModal .eyebrow, #projModal #projTitle { text-align: center; }
  #projModal .modal__sub { text-align: center; margin-left: auto; margin-right: auto; }
  .projmodal__foot { margin-top: 22px; font-size: 0.9rem; color: var(--steel); text-align: center; }
  .projmodal__foot a { color: var(--signal-ink); font-weight: 600; }
  @media (max-width: 720px) { .projgrid { grid-template-columns: 1fr; } }

  /* ---------- method ---------- */
  .flow { list-style: none; padding: 0; margin: 0 0 clamp(48px, 7vw, 78px);
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
  .flow::before { content: ""; position: absolute; top: 34px; left: 12%; right: 12%; height: 2px;
    background: var(--grad-h); opacity: .5; z-index: 0; }
  .flow__step { position: relative; z-index: 1; text-align: center;
    background: var(--surface); border: 1px solid var(--hair); border-radius: var(--blob-sm);
    padding: 48px 20px 24px; transition: transform .16s, box-shadow .16s; }
  .flow__step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
  .flow__step:nth-child(2n) { border-radius: 18px 18px 5px 18px; }
  .flow__mark { position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%);
    width: 68px; height: 68px; border-radius: 50%;
    background: var(--grad);
    color: #fff; display: grid; place-items: center;
    box-shadow: 0 8px 20px rgba(46,58,150,.30); border: 4px solid var(--sunken); }
  .flow__mark svg { width: 30px; height: 30px; }
  .flow__num { position: absolute; top: -5px; right: -5px; width: 23px; height: 23px; border-radius: 50%;
    background: var(--ink); color: var(--paper); font-family: "Archivo", sans-serif; font-weight: 800;
    font-size: 0.74rem; display: grid; place-items: center; border: 2px solid var(--sunken); }
  .flow__step h4 { font-size: 1.1rem; margin-bottom: 7px; }
  .flow__step p { font-size: 0.9rem; color: var(--steel); line-height: 1.5; }

  .rules__title { text-align: center; font-size: clamp(1.3rem, 2.6vw, 1.7rem); margin-bottom: 28px; }
  .rules__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .rule { background: var(--surface); border: 1px solid var(--hair); border-radius: var(--blob-sm); padding: 22px 20px; text-align: center; }
  .rule:nth-child(2n) { border-radius: 18px 18px 5px 18px; }
  .rule__ic { width: 44px; height: 44px; border-radius: 13px 13px 13px 4px; display: grid; place-items: center;
    background: var(--grad); color: #fff; margin: 0 auto 12px; }
  .rule__ic svg { width: 22px; height: 22px; }
  .rule b { display: block; font-weight: 600; font-size: 1.02rem; margin-bottom: 4px; }
  .rule p { font-size: 0.88rem; color: var(--steel); line-height: 1.5; }

  /* ---------- recent work ---------- */
  .work-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .work-card { background: var(--surface); border: 1px solid var(--hair); border-radius: var(--blob-sm); overflow: hidden;
    transition: transform .16s, box-shadow .16s; }
  .work-grid > .work-card:nth-child(2n) { border-radius: 18px 18px 18px 5px; }
  .work-grid > .work-card:nth-child(2n+1) { border-radius: 18px 18px 5px 18px; }
  .work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
  .work-card__top { height: 8px; background: var(--grad-h); }
  .work-card__body { padding: 22px; }
  .work-card h4 { font-size: 1.04rem; margin-bottom: 6px; }
  .work-card p { font-size: 0.9rem; color: var(--steel); }

  /* ---------- contact band ---------- */
  .contact-band { background: var(--field); color: #EAF0ED; position: relative; overflow: hidden;
    border-block: 1px solid var(--hair); padding-bottom: clamp(46px, 6vw, 74px); }
  .contact-band::before { content: ""; position: absolute; inset: 0;
    background: radial-gradient(72% 120% at 12% 0%, rgba(30,104,171,.28), transparent 58%); }
  .contact-band__art { position: absolute; right: -70px; bottom: -80px; width: 460px; max-width: 55%;
    opacity: .10; z-index: 0; pointer-events: none; }
  .contact-band__art svg { width: 100%; height: auto; }
  .contact-band__in { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.05fr;
    gap: clamp(32px, 6vw, 66px); align-items: start; }
  .contact-band__intro .eyebrow { color: var(--signal-bright); }
  .contact-band__intro .eyebrow::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M18.5 6 A9 9 0 1 0 20.5 10.2' stroke='%23ffffff' stroke-width='2.6' stroke-linecap='round'/%3E%3Ccircle cx='12' cy='12' r='3.2' fill='%23ffffff'/%3E%3C/svg%3E"); }
  .contact-band__intro h2 { font-size: var(--fs-h2); color: #fff; margin-bottom: 16px; }
  .contact-band__lead { color: #BEC9C4; margin-bottom: 30px; max-width: 46ch; }
  .contact-list { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 13px; }
  .contact-list li { display: flex; align-items: center; gap: 12px; font-size: 0.94rem; color: #EAF0ED; }
  .contact-list a:hover { color: var(--signal-bright); }
  .contact-list__ic { flex: 0 0 34px; height: 34px; border-radius: 10px 10px 10px 3px; display: grid; place-items: center;
    background: rgba(255,255,255,.08); color: var(--signal-bright); }
  .contact-list__ic svg { width: 17px; height: 17px; }
  .contact-band__map { display: block; border-radius: var(--blob-sm); overflow: hidden;
    border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.03); max-width: 420px; }
  .contact-band__map iframe { display: block; width: 100%; height: 180px; border: 0; filter: grayscale(.25) contrast(.92); }
  .contact-band__map-badge { display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px; font-family: "IBM Plex Mono", monospace; font-size: 0.7rem; letter-spacing: 0.05em;
    text-transform: uppercase; color: #EAF0ED; }
  .contact-band__map:hover .contact-band__map-badge { color: var(--signal-bright); }

  form.contact__form { display: grid; gap: 15px; background: var(--surface); border: 1px solid var(--hair); border-radius: var(--blob-flip); padding: 28px; box-shadow: var(--shadow-lift); }
  .contact__form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .contact__form label { font-family: "IBM Plex Mono", monospace; font-size: 0.74rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--steel); display: block; margin-bottom: 6px; }
  .contact__form input, .contact__form textarea { width: 100%; font-family: inherit; font-size: 0.96rem;
    padding: 12px 13px; background: var(--sunken); color: var(--ink); border: 1px solid #CDD3CB; border-radius: 10px; }
  .contact__form input::placeholder, .contact__form textarea::placeholder { color: color-mix(in srgb, var(--steel) 65%, transparent); }
  .contact__form textarea { min-height: 110px; resize: vertical; }
  .contact__form input:focus-visible, .contact__form textarea:focus-visible { outline: 2px solid var(--signal); outline-offset: 1px; }
  .contact__form .consent { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 2px;
    font-family: inherit; font-size: 0.8rem; letter-spacing: 0; text-transform: none; color: var(--steel); line-height: 1.45; }
  .contact__form .consent input { width: auto; flex: 0 0 auto; margin-top: 2px; accent-color: var(--signal); }
  .contact__form .consent b { color: var(--ink); font-weight: 600; }
  .contact__hint { font-size: 0.78rem; color: var(--steel); }

  /* ---------- footer ---------- */
  .foot { background: var(--field-2); color: #AEB9B5; padding: 56px 0 0; }
  .foot__cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; padding-bottom: 40px; }
  .foot h4 { color: #fff; font-family: "IBM Plex Mono", monospace; font-weight: 500; font-size: 0.72rem;
    letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 14px; }
  .foot a { display: block; padding: 4px 0; font-size: 0.9rem; }
  .foot a:hover { color: #fff; }
  .foot .brand { color: #fff; margin-bottom: 12px; }
  .foot .brand__mark { width: 30px; height: 30px; color: #fff; }
  .foot .brand__wm { font-size: 1.08rem; color: #fff; }
  .foot .about { font-size: 0.88rem; max-width: 34ch; }
  .foot__bar { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; font-family: "IBM Plex Mono", monospace;
    font-size: 0.7rem; letter-spacing: 0.06em; }
  .foot__bar .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
  .foot__bar a { display: inline; padding: 0; }

  .js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
  .js .reveal.in { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

  /* ---------- responsive ---------- */
  @media (max-width: 900px) {
    .nav__links, .nav__cta { display: none; }
    .nav.open .nav__links {
      display: flex; position: absolute; top: var(--nav-h); left: 0; right: 0;
      flex-direction: column; align-items: flex-start; gap: 6px;
      background: var(--paper); border-bottom: 1px solid var(--hair); padding: 18px var(--pad) 24px;
    }
    .nav.open .navdrop, .nav.open .navdrop__menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0; min-width: 0; }
    .nav__burger { display: inline-block; }
  }
  @media (max-width: 980px) {
    .floaters .wrap { grid-template-columns: 1fr; }
    .floaters { margin-top: -50px; }
    .svc-info { grid-template-columns: 1fr; gap: 20px; }
    .svc-center { margin: 4px 0; order: -1; border-radius: 30px 30px 30px 8px; padding: 34px 26px; }
    .svc-h--flip { border-radius: 22px 22px 22px 6px; }
    .split { grid-template-columns: 1fr; }
    .split--flip .split__media { order: 0; }
    .calc { grid-template-columns: 1fr; }
    .flow { grid-template-columns: 1fr 1fr; row-gap: 44px; }
    .flow::before { display: none; }
    .rules__grid { grid-template-columns: 1fr 1fr; }
    .contact-band__in { grid-template-columns: 1fr; }
    .contact-band__art { display: none; }
    .work-grid { grid-template-columns: 1fr; }
    .foot__cols { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .slide__in .eyebrow { font-size: 0.72rem; letter-spacing: 0.14em; padding: 6px 13px; margin-bottom: 18px; }
    .flow { grid-template-columns: 1fr; }
    .rules__grid { grid-template-columns: 1fr; }
    .contact__form .row2 { grid-template-columns: 1fr; }
    .foot__cols { grid-template-columns: 1fr; }
  }

  /* ---------- página Nosotros ---------- */
  .page-hero { padding: clamp(48px, 8vw, 96px) 0 clamp(20px, 4vw, 40px); }
  .page-hero .eyebrow { color: var(--signal-ink); }
  .page-hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); max-width: 16ch; }
  .page-hero__lead { color: var(--steel); font-size: var(--fs-lead); margin-top: 18px; max-width: 60ch; }

  .about-grid { display: flex; flex-direction: column; gap: clamp(28px, 5vw, 46px); }
  .about-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
  .about-card { background: var(--surface); border: 1px solid var(--hair); border-radius: var(--blob);
    padding: 28px 24px; box-shadow: var(--shadow); text-align: left; color: var(--ink);
    position: relative; overflow: hidden;
    transition: transform .18s, box-shadow .18s; }
  .about-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--grad); }
  .about-card:nth-child(2n) { border-radius: var(--blob-flip); }
  .about-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); }
  .about-card__ic { width: 50px; height: 50px; border-radius: 14px 14px 14px 5px; display: grid; place-items: center;
    background: color-mix(in srgb, var(--signal) 12%, transparent); color: var(--signal-ink); margin: 0 0 15px; }
  .about-card__ic svg { width: 26px; height: 26px; }
  .about-card h3 { font-size: 1.18rem; color: var(--ink); margin-bottom: 9px; }
  .about-card p { font-size: 0.9rem; color: var(--steel); line-height: 1.6; }

  .about-policy { background: var(--surface); border: 1px solid var(--hair); border-radius: 26px 26px 26px 8px;
    padding: clamp(28px, 4vw, 40px); box-shadow: var(--shadow); color: var(--ink);
    position: relative; overflow: hidden; }
  .about-policy::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--grad); }
  .about-policy__ic { width: 46px; height: 46px; border-radius: 13px 13px 13px 4px; display: grid; place-items: center;
    background: color-mix(in srgb, var(--signal) 12%, transparent); color: var(--signal-ink); margin-bottom: 16px; }
  .about-policy__ic svg { width: 24px; height: 24px; }
  .about-policy h2 { font-size: clamp(1.25rem, 3vw, 1.9rem); color: var(--ink); margin-bottom: 14px;
    white-space: nowrap; }
  .about-policy__body { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 40px; }
  .about-policy p { color: var(--steel); font-size: 0.94rem; line-height: 1.62; }

  .about-cta { background: var(--grad-soft); color: #fff; border-radius: 30px 30px 30px 10px;
    padding: clamp(34px, 5vw, 52px); text-align: center; }
  .about-cta h2 { font-size: var(--fs-h2); color: #fff; margin-bottom: 12px; }
  .about-cta p { color: rgba(255,255,255,.9); max-width: 48ch; margin: 0 auto 24px; }
  .about-cta .btn--primary { background: #fff; color: #22488F; box-shadow: 0 6px 18px rgba(0,0,0,.18); }
  .about-cta .btn--primary:hover { background: #EEF2FB; }

  @media (max-width: 900px) {
    .about-cards { grid-template-columns: 1fr 1fr; }
    .about-policy__body { grid-template-columns: 1fr; gap: 12px; }
  }
  @media (max-width: 560px) {
    .about-cards { grid-template-columns: 1fr; }
  }
  @media (max-width: 600px) {
    .foot__bar .wrap { flex-direction: column; align-items: center; text-align: center; gap: 6px; }
  }

  /* ---------- banda Seguridad ---------- */
  .secband { background: transparent; color: #fff; padding: clamp(44px, 6vw, 76px) 0; }
  .secband__in {
    background: var(--grad-soft); color: #fff;
    border-radius: 30px 30px 30px 10px; box-shadow: var(--shadow-lift);
    max-width: 1000px; margin: 0 auto; padding: clamp(32px, 4.5vw, 56px);
    display: grid; grid-template-columns: 1fr 0.95fr; gap: clamp(28px, 4vw, 48px); align-items: center;
  }
  .secband .eyebrow { color: rgba(255,255,255,.72); }
  .secband .eyebrow::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M18.5 6 A9 9 0 1 0 20.5 10.2' stroke='%23ffffff' stroke-width='2.6' stroke-linecap='round'/%3E%3Ccircle cx='12' cy='12' r='3.2' fill='%23ffffff'/%3E%3C/svg%3E"); }
  .secband h2 { color: #fff; font-size: var(--fs-h2); }
  .secband__lead { color: rgba(255,255,255,.9); margin: 16px 0 22px; max-width: 46ch; }
  .secband__list { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 13px; }
  .secband__list li { display: flex; gap: 11px; align-items: flex-start; font-size: 0.95rem; color: rgba(255,255,255,.9); }
  .secband__list li span { display: block; }
  .secband__list li b { color: #fff; font-weight: 600; }
  .secband__list li > svg { width: 21px; height: 21px; flex: none; margin-top: 2px; color: #fff; }
  .secband .btn--primary { background: #fff; color: #22488F; box-shadow: 0 6px 18px rgba(0,0,0,.18); }
  .secband .btn--primary:hover { background: #EEF2FB; }
  .secband__art svg { width: 100%; height: auto; max-width: 460px; margin: 0 auto; display: block; }

  @media (max-width: 900px) {
    .secband__in { grid-template-columns: 1fr; padding: clamp(26px, 6vw, 40px); }
    .secband__art { order: -1; }
    .secband__art svg { max-width: 300px; }
  }