/* =====================================================================
   ALKHATECH — site styles
   Mobile-first. Cascade layers keep specificity predictable.
   ===================================================================== */
@layer reset, tokens, base, layout, components, sections, motion;

@font-face {
  font-family: "Archivo";
  src: url("assets/fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}

/* ------------------------------------------------------------------ tokens */
@layer tokens {
  :root {
    --midnight: #07122A;
    --navy: #0C1A33;
    --blue: #1D55B2;
    --glow: #4DA3F5;
    --glow-2: #2E8BE6;
    --mist: #F3F6FA;
    --hair: #DCE3EE;
    --hair-strong: #C3CEE0;
    --slate: #55627A;
    --ink: #0C1A33;
    --danger: #B3261E;

    --r-sm: 10px;
    --r-md: 18px;
    --r-lg: 30px;

    --ease: cubic-bezier(.22, 1, .36, 1);
    --ease-io: cubic-bezier(.65, 0, .35, 1);

    --gutter: clamp(1.25rem, .6rem + 3vw, 3rem);
    --max: 1280px;
    --header-h: 72px;

    /* fluid type scale */
    --fs-0: clamp(1rem, .96rem + .2vw, 1.0625rem);
    --fs-1: clamp(1.125rem, 1.06rem + .32vw, 1.3125rem);
    --fs-2: clamp(1.375rem, 1.15rem + 1vw, 2rem);
    --fs-3: clamp(2.125rem, 1.4rem + 3.2vw, 4rem);
    --fs-4: clamp(2.875rem, 1.2rem + 7.2vw, 7rem);

    --space-section: clamp(5.5rem, 3.5rem + 8vw, 11rem);
    --space-block: clamp(3.5rem, 2.5rem + 4vw, 7rem);
  }
}

/* -------------------------------------------------------------------- base */
@layer base {
  *, *::before, *::after { box-sizing: border-box; }

  html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 24px);
    background: var(--midnight);
    scrollbar-color: var(--hair-strong) transparent;
  }
  html.menu-open { overflow: hidden; }

  body {
    margin: 0;
    font-family: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-stretch: 100%;
    font-size: var(--fs-0);
    line-height: 1.65;
    color: var(--ink);
    background: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: clip;
  }

  img, svg { display: block; max-width: 100%; }
  img { height: auto; }
  h1, h2, h3, h4, p, ul, ol, figure, dl, dd { margin: 0; }
  ul, ol { padding: 0; list-style: none; }
  a { color: inherit; text-decoration: none; }
  button, input, textarea, select { font: inherit; color: inherit; }
  button { background: none; border: 0; padding: 0; cursor: pointer; }

  h1, h2, h3 {
    font-weight: 760;
    font-stretch: 116%;
    letter-spacing: -.03em;
    line-height: 1.04;
    text-wrap: balance;
  }
  p { text-wrap: pretty; max-width: 62ch; }

  ::selection { background: var(--glow-2); color: #fff; }
  :focus-visible { outline: 2px solid var(--glow); outline-offset: 3px; border-radius: 4px; }

  .skip {
    position: fixed; left: 1rem; top: -4rem; z-index: 200;
    background: #fff; color: var(--navy); padding: .7rem 1.1rem; border-radius: 999px; font-weight: 600;
    transition: top .3s var(--ease);
  }
  .skip:focus { top: 1rem; }
  .sr { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

/* ------------------------------------------------------------------ layout */
@layer layout {
  .wrap {
    width: 100%;
    max-width: calc(var(--max) + var(--gutter) * 2);
    margin-inline: auto;
    padding-inline: var(--gutter);
  }
  .sheet {
    position: relative;
    z-index: 2;
    background: #fff;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    margin-top: calc(var(--r-lg) * -1);
    box-shadow: 0 -40px 90px -50px rgba(0, 0, 0, .55);
  }
  .section { padding-block: var(--space-section); }
  .lede { font-size: var(--fs-1); color: var(--slate); line-height: 1.55; }
  .icon {
    width: 1.5rem; height: 1.5rem; flex: none;
    fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  }
}

/* -------------------------------------------------------------- components */
@layer components {

  /* ---- header ---- */
  .site-header {
    --logo-ink: #fff;
    --logo-accent: var(--glow);
    position: fixed; inset: 0 0 auto; z-index: 100;
    height: var(--header-h);
    color: #fff;
    transition: transform .55s var(--ease), background-color .45s, color .45s, box-shadow .45s;
    view-transition-name: site-header;
  }
  .site-header::after {
    content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
    background: linear-gradient(90deg, var(--blue), var(--glow));
    transform: scaleX(var(--p, 0)); transform-origin: left; opacity: 0; transition: opacity .4s;
  }
  .is-scrolled .site-header {
    --logo-ink: var(--navy);
    --logo-accent: var(--blue);
    background: rgba(255, 255, 255, .84);
    -webkit-backdrop-filter: blur(18px) saturate(1.5);
    backdrop-filter: blur(18px) saturate(1.5);
    color: var(--navy);
    box-shadow: 0 1px 0 var(--hair);
  }
  .is-scrolled .site-header::after { opacity: 1; }
  .header-hidden .site-header { transform: translateY(-101%); }
  .menu-open .site-header {
    --logo-ink: #fff; --logo-accent: var(--glow);
    background: transparent; box-shadow: none; color: #fff; transform: none;
    -webkit-backdrop-filter: none; backdrop-filter: none;
  }
  .menu-open .site-header::after { opacity: 0; }

  .nav {
    height: 100%; display: flex; align-items: center; justify-content: space-between;
    width: 100%; max-width: calc(var(--max) + var(--gutter) * 2);
    margin-inline: auto; padding-inline: var(--gutter);
  }
  .brand { display: block; width: clamp(148px, 12vw, 180px); }
  .logo { width: 100%; height: auto; overflow: visible; }
  .logo-ring { transition: transform 1.1s var(--ease); }
  .logo path, .logo circle, .logo ellipse { transition: fill .45s; }
  .brand:hover .logo-ring, .brand:focus-visible .logo-ring { transform: rotate(180deg); }

  .nav-links { display: none; }
  .nav-link { position: relative; font-weight: 500; font-size: .9375rem; padding: .45rem 0; }
  .nav-link::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor;
    transform: scaleX(0); transform-origin: right; transition: transform .55s var(--ease);
  }
  .nav-link:hover::after, .nav-link[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }

  .menu-btn { position: relative; width: 44px; height: 44px; margin-right: -10px; }
  .menu-btn span {
    position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor;
    transition: transform .6s var(--ease), top .6s var(--ease);
  }
  .menu-btn span:nth-child(1) { top: 18px; }
  .menu-btn span:nth-child(2) { top: 25px; }
  .menu-open .menu-btn span:nth-child(1) { top: 21.5px; transform: rotate(45deg); }
  .menu-open .menu-btn span:nth-child(2) { top: 21.5px; transform: rotate(-45deg); }

  @media (min-width: 900px) {
    .nav-links { display: flex; align-items: center; gap: 2.25rem; }
    .menu-btn { display: none; }
  }

  /* ---- mobile menu ---- */
  .menu {
    position: fixed; inset: 0; z-index: 99; background: var(--midnight); color: #fff;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: calc(var(--header-h) + 2rem) var(--gutter) max(2.5rem, env(safe-area-inset-bottom));
    clip-path: circle(0 at calc(100% - 2.1rem) 2.25rem);
    visibility: hidden;
    transition: clip-path .85s var(--ease-io), visibility 0s .85s;
  }
  .menu-open .menu {
    clip-path: circle(150% at calc(100% - 2.1rem) 2.25rem);
    visibility: visible;
    transition: clip-path .85s var(--ease-io), visibility 0s;
  }
  .menu-link {
    display: block; padding: .3rem 0;
    font-size: var(--fs-3); font-weight: 760; font-stretch: 116%; letter-spacing: -.035em; line-height: 1.1;
    opacity: 0; transform: translateY(1.5rem);
    transition: opacity .4s, transform .4s;
  }
  .menu-open .menu-link {
    opacity: 1; transform: none;
    transition: opacity .7s var(--ease) calc(.3s + var(--i) * .07s), transform .9s var(--ease) calc(.3s + var(--i) * .07s);
  }
  .menu-meta { font-size: .9375rem; font-weight: 400; font-stretch: 100%; letter-spacing: 0; line-height: 1.6; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, .14); color: rgba(255, 255, 255, .7); font-size: .9375rem; }
  .menu-meta a { color: #fff; }

  /* ---- buttons ---- */
  .btn {
    --bg: var(--navy); --fg: #fff; --bd: var(--navy);
    display: inline-flex; align-items: center; justify-content: center;
    padding: 1rem 1.7rem; border-radius: 999px;
    background: var(--bg); color: var(--fg); border: 1px solid var(--bd);
    font-weight: 600; font-size: .9375rem; line-height: 1; letter-spacing: -.005em; white-space: nowrap;
    transition: background-color .45s var(--ease), color .45s var(--ease), border-color .45s var(--ease), transform .45s var(--ease);
  }
  .btn .roll { display: block; height: 1.2em; overflow: hidden; }
  .btn .roll > span { display: block; height: 1.2em; line-height: 1.2em; transition: transform .6s var(--ease); }
  .btn:hover .roll > span, .btn:focus-visible .roll > span { transform: translateY(-100%); }
  .btn:active { transform: scale(.975); }
  .btn--sm { padding: .72rem 1.25rem; font-size: .875rem; }
  .btn--light { --bg: #fff; --fg: var(--navy); --bd: #fff; }
  .btn--light:hover { --bg: var(--glow); --bd: var(--glow); }
  .btn--ghost { --bg: transparent; --fg: #fff; --bd: rgba(255, 255, 255, .5); }
  .btn--ghost:hover { --bg: #fff; --fg: var(--navy); --bd: #fff; }
  .btn--blue { --bg: var(--blue); --bd: var(--blue); }
  .btn--blue:hover { --bg: var(--navy); --bd: var(--navy); }
  .btn--outline { --bg: transparent; --fg: var(--navy); --bd: var(--navy); }
  .btn--outline:hover { --bg: var(--navy); --fg: #fff; }
  .is-scrolled .site-header .btn--ghost { --fg: var(--navy); --bd: rgba(12, 26, 51, .4); }
  .is-scrolled .site-header .btn--ghost:hover { --bg: var(--navy); --fg: #fff; --bd: var(--navy); }

  .link {
    padding-bottom: 3px; font-weight: 600; color: var(--blue);
    background: linear-gradient(currentColor, currentColor) 100% 100% / 0 1px no-repeat;
    transition: background-size .55s var(--ease);
  }
  .link:hover, .link:focus-visible { background-position: 0 100%; background-size: 100% 1px; }
  .link--light { color: #fff; }

  /* ---- accordion (home pathways) ---- */
  .path { border-top: 1px solid var(--hair); }
  .path:last-child { border-bottom: 1px solid var(--hair); }
  .path-head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.75rem 0; text-align: left; }
  .path-title {
    font-size: var(--fs-2); font-weight: 700; font-stretch: 112%; letter-spacing: -.028em; line-height: 1.1;
    transition: transform .7s var(--ease), color .4s;
  }
  .path-head:hover .path-title, .path-head:focus-visible .path-title { transform: translateX(.55rem); color: var(--blue); }
  .path-toggle {
    position: relative; flex: none; width: 2.75rem; height: 2.75rem; border-radius: 50%;
    border: 1px solid var(--hair-strong);
    transition: background-color .45s, border-color .45s, color .45s;
  }
  .path-toggle::before, .path-toggle::after {
    content: ""; position: absolute; left: 50%; top: 50%; width: .95rem; height: 1.5px; background: currentColor;
    transform: translate(-50%, -50%); transition: transform .7s var(--ease);
  }
  .path-toggle::after { transform: translate(-50%, -50%) rotate(90deg); }
  .path[data-open="true"] .path-toggle { background: var(--navy); border-color: var(--navy); color: #fff; }
  .path[data-open="true"] .path-toggle::after { transform: translate(-50%, -50%) rotate(0deg); }

  .path-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .8s var(--ease); }
  .path[data-open="true"] .path-panel { grid-template-rows: 1fr; }
  .path-inner { min-height: 0; overflow: hidden; visibility: hidden; transition: visibility 0s .8s; }
  .path[data-open="true"] .path-inner { visibility: visible; transition: visibility 0s; }
  .path-body {
    display: grid; gap: 1.75rem; padding-bottom: 2.75rem;
    opacity: 0; transform: translateY(10px);
    transition: opacity .4s, transform .4s;
  }
  .path[data-open="true"] .path-body { opacity: 1; transform: none; transition: opacity .8s var(--ease) .15s, transform 1s var(--ease) .1s; }
  .path-media { aspect-ratio: 4 / 3; border-radius: var(--r-md); overflow: hidden; background: var(--mist); }
  .path-media img { width: 100%; height: 100%; object-fit: cover; }
  .path-desc { color: var(--slate); margin-bottom: 1rem; }
  .mini li { display: flex; align-items: center; gap: .9rem; padding: .8rem 0; border-top: 1px solid var(--hair); font-weight: 500; }
  .mini li .icon { color: var(--blue); width: 1.35rem; height: 1.35rem; }
  .path-more { display: inline-block; margin-top: 1.25rem; }
  @media (min-width: 640px) {
    .path-body { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; align-items: start; }
  }

  /* ---- footer ---- */
  .site-footer { --logo-ink: #fff; --logo-accent: var(--glow); background: var(--midnight); color: rgba(255, 255, 255, .68); padding: clamp(4rem, 3rem + 5vw, 7rem) 0 2rem; position: relative; z-index: 2; }
  .foot-grid { display: grid; gap: 3rem; }
  .foot-brand { width: clamp(180px, 18vw, 230px); }
  .foot-lede { margin-top: 1.5rem; max-width: 34ch; }
  .site-footer h2 { font-size: .875rem; font-stretch: 100%; font-weight: 600; letter-spacing: 0; color: #fff; margin-bottom: 1.1rem; }
  .site-footer li + li { margin-top: .65rem; }
  .site-footer a:hover { color: #fff; }
  .foot-bottom { margin-top: clamp(3rem, 2rem + 4vw, 6rem); padding-top: 1.75rem; border-top: 1px solid rgba(255, 255, 255, .12); display: flex; flex-wrap: wrap; gap: .75rem 2rem; justify-content: space-between; font-size: .875rem; }
  .foot-tag { color: #fff; font-weight: 600; font-stretch: 112%; letter-spacing: -.01em; }
  @media (min-width: 800px) { .foot-grid { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2rem; } }

  /* ---- signal line (scroll progress) ---- */
  .signal { position: fixed; z-index: 60; left: clamp(14px, 1.6vw, 30px); top: 50%; height: 38vh; width: 1px; transform: translateY(-50%); background: rgba(112, 148, 204, .38); }
  .signal-fill { position: absolute; inset: 0; background: linear-gradient(180deg, var(--blue), var(--glow)); transform-origin: top; transform: scaleY(var(--p, 0)); box-shadow: 0 0 10px rgba(77, 163, 245, .65); }
  .signal-node { position: absolute; left: 50%; width: 9px; height: 9px; margin: -4.5px 0 0 -4.5px; border-radius: 50%; background: #fff; border: 1.5px solid var(--hair-strong); transition: background-color .4s, border-color .4s, transform .5s var(--ease); }
  .signal-node::after {
    content: attr(data-label); position: absolute; left: 20px; top: 50%; transform: translate(-6px, -50%);
    font-size: .75rem; font-weight: 600; white-space: nowrap; color: var(--navy); background: #fff; padding: .3rem .6rem; border-radius: 999px; box-shadow: 0 6px 20px -8px rgba(7, 18, 42, .5);
    opacity: 0; pointer-events: none; transition: opacity .35s, transform .5s var(--ease);
  }
  .signal-node:hover::after { opacity: 1; transform: translate(0, -50%); }
  .signal-node.on { background: var(--glow); border-color: var(--glow); }
  .signal-node:hover { transform: scale(1.5); }

  /* ---- forms ---- */
  .field { display: grid; gap: .5rem; }
  .field > label, .legend { font-size: .875rem; font-weight: 600; }
  .req { font-weight: 400; color: var(--slate); }
  .input {
    width: 100%; padding: 1rem 1.15rem; border-radius: 14px; border: 1px solid var(--hair-strong); background: #fff;
    font-size: 1rem; line-height: 1.4;
    transition: border-color .3s, box-shadow .3s;
  }
  .input:hover { border-color: #9fb0cc; }
  .input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(29, 85, 178, .14); }
  .input:user-invalid { border-color: var(--danger); }
  textarea.input { min-height: 9rem; resize: vertical; }
  .hint { font-size: .875rem; color: var(--slate); }
  .chips { display: flex; flex-wrap: wrap; gap: .6rem; }
  .chip { position: relative; }
  .chip input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
  .chip span {
    display: inline-flex; align-items: center; padding: .6rem 1rem; border-radius: 999px; border: 1px solid var(--hair-strong);
    font-size: .875rem; font-weight: 500; line-height: 1.2; user-select: none;
    transition: background-color .35s var(--ease), border-color .35s, color .35s, padding .45s var(--ease);
  }
  .chip .icon { width: 0; height: 1rem; margin: 0; opacity: 0; transition: width .45s var(--ease), margin .45s var(--ease), opacity .3s; }
  .chip:hover span { border-color: var(--blue); }
  .chip input:checked + span { background: var(--navy); border-color: var(--navy); color: #fff; }
  .chip input:checked + span .icon { width: 1rem; margin-right: .45rem; opacity: 1; }
  .chip input:focus-visible + span { outline: 2px solid var(--glow); outline-offset: 3px; }
  .drop {
    display: grid; place-items: center; gap: .35rem; text-align: center; padding: 1.75rem 1rem; cursor: pointer;
    border: 1px dashed var(--hair-strong); border-radius: 14px; color: var(--slate);
    transition: border-color .3s, background-color .3s, color .3s;
  }
  .drop:hover, .drop.is-over { border-color: var(--blue); background: var(--mist); color: var(--navy); }
  .drop .icon { color: var(--blue); width: 1.6rem; height: 1.6rem; }
  .drop strong { color: var(--navy); }
  .drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
  .files { display: grid; gap: .4rem; font-size: .875rem; }
  .files li { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem .9rem; background: var(--mist); border-radius: 10px; }
  .files span:last-child { color: var(--slate); }
  .form-error { color: var(--danger); font-size: .9375rem; font-weight: 500; }
  .spinner { display: none; width: 1rem; height: 1rem; margin-left: .75rem; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .35); border-top-color: #fff; animation: spin .8s linear infinite; }
  [data-state="sending"] .spinner { display: inline-block; }
  @keyframes spin { to { transform: rotate(360deg); } }
}

/* ---------------------------------------------------------------- sections */
@layer sections {

  /* ---- hero ---- */
  .hero {
    --hp: 0;
    position: sticky; top: 0; z-index: 0;
    height: 100vh; height: 100svh; min-height: 34rem;
    color: #fff; background: var(--midnight); overflow: clip; isolation: isolate;
  }
  .hero-media { position: absolute; inset: 0; }
  .hero-media img {
    width: 100%; height: 100%; object-fit: cover; object-position: var(--focus, 38% 50%);
    transform: translate3d(0, calc(var(--hp) * 7%), 0) scale(calc(1.02 + var(--hp) * .07));
    will-change: transform;
  }
  .hero-shade {
    position: absolute; inset: 0;
    background:
      linear-gradient(180deg, rgba(7, 18, 42, .6) 0%, rgba(7, 18, 42, 0) 24%),
      linear-gradient(0deg, rgba(7, 18, 42, .98) 0%, rgba(7, 18, 42, .84) 26%, rgba(7, 18, 42, .3) 58%, rgba(7, 18, 42, .08) 100%);
  }
  .hero-grain {
    position: absolute; inset: 0; opacity: .08; mix-blend-mode: overlay; pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .7 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  .hero-inner {
    position: absolute; left: 0; right: 0; bottom: 0; margin-inline: auto; width: 100%;
    max-width: calc(var(--max) + var(--gutter) * 2);
    padding: 0 var(--gutter) calc(var(--r-lg) + clamp(1.75rem, 5vh, 3.5rem));
    display: grid; gap: 1.75rem;
    opacity: calc(1 - var(--hp) * 1.7);
    transform: translate3d(0, calc(var(--hp) * -7vh), 0);
  }
  .hero h1 { font-size: var(--fs-4); line-height: .96; letter-spacing: -.04em; }
  .hero-lede { color: rgba(255, 255, 255, .84); font-size: var(--fs-1); line-height: 1.5; max-width: 36ch; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
  @media (max-width: 519px) {
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
  }
  @media (min-width: 900px) {
    .hero-inner { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); align-items: end; column-gap: clamp(2rem, 5vw, 6rem); }
    .hero-side { padding-bottom: .9rem; }
  }
  .hero--page { height: clamp(30rem, 76svh, 46rem); min-height: 0; }
  .hero--page h1 { font-size: clamp(2.75rem, 1.2rem + 6vw, 6rem); }
  .hero--page .hero-inner { grid-template-columns: 1fr; }
  .hero--page .hero-lede { max-width: 44ch; }

  /* ---- pathways ---- */
  .pathways-grid { display: grid; gap: 3rem; }
  .pathways-intro h2 { font-size: var(--fs-3); }
  .pathways-intro .lede { margin-top: 1.5rem; max-width: 30ch; }
  .pathways-intro .btn { margin-top: 2rem; }
  @media (min-width: 1000px) {
    .pathways-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(3rem, 6vw, 7rem); align-items: start; }
    .pathways-intro { position: sticky; top: calc(var(--header-h) + 3rem); }
  }

  /* ---- feature (under-desk photo) ---- */
  .feature { padding-top: 0; }
  .feature-head { display: grid; gap: 1.75rem; margin-bottom: var(--space-block); align-items: end; }
  .feature-head h2 { font-size: var(--fs-3); }
  .feature-head p { color: var(--slate); font-size: var(--fs-1); line-height: 1.55; }
  .feature-head .btn { margin-top: 1.75rem; }
  .bleed { position: relative; overflow: hidden; }
  .bleed .par { position: absolute; inset: -6% 0; }
  .bleed .par img { width: 100%; height: 100%; object-fit: cover; }
  .feature-media {
    aspect-ratio: 16 / 10;
    -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 10%, #000 80%, transparent 100%);
    mask-image: linear-gradient(180deg, transparent 0, #000 10%, #000 80%, transparent 100%);
  }
  @media (max-width: 899px) {
    .feature-media { margin-inline: calc(var(--gutter) * -1); }
  }
  @media (min-width: 900px) {
    .feature-head { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); column-gap: clamp(2rem, 6vw, 7rem); }
    .feature-media { aspect-ratio: 1456 / 760; }
  }

  /* ---- platforms ---- */
  .platforms { background: var(--mist); }
  .platforms-grid { display: grid; gap: 3rem; align-items: center; }
  .platforms h2 { font-size: var(--fs-3); }
  .platforms .lede { margin-top: 1.5rem; max-width: 40ch; }
  .plat-list { margin-top: 2.5rem; }
  .plat-list li { display: grid; gap: .1rem; padding: 1.1rem 0; border-top: 1px solid var(--hair-strong); transition: padding .6s var(--ease); }
  .plat-list li:last-child { border-bottom: 1px solid var(--hair-strong); }
  .plat-list li:hover { padding-left: .6rem; }
  .plat-list strong { font-size: var(--fs-1); font-stretch: 110%; font-weight: 700; letter-spacing: -.02em; }
  .plat-list span { color: var(--slate); font-size: .9688rem; }
  .platforms-media { aspect-ratio: 1456 / 840; border-radius: var(--r-md); }
  .platforms-media .par { inset: -4% 0; }
  @media (min-width: 1000px) {
    .platforms-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(3rem, 6vw, 7rem); }
  }

  /* ---- process (a real sequence) ---- */
  .process h2 { font-size: var(--fs-3); max-width: 16ch; }
  .steps { position: relative; display: grid; gap: 2.5rem; margin-top: var(--space-block); padding-left: 2.75rem; }
  .steps::before, .steps::after { content: ""; position: absolute; left: 1rem; top: .5rem; bottom: .5rem; width: 1px; background: var(--hair-strong); }
  .steps::after { background: linear-gradient(180deg, var(--blue), var(--glow)); transform-origin: top; transform: scaleY(1); }
  .step { position: relative; }
  .step-n {
    position: absolute; left: -2.75rem; top: -.15rem; width: 2.05rem; height: 2.05rem; border-radius: 50%;
    display: grid; place-items: center; background: #fff; border: 1px solid var(--blue); color: var(--blue);
    font-weight: 700; font-size: .875rem; z-index: 1;
  }
  .step h3 { font-size: var(--fs-2); letter-spacing: -.03em; }
  .step p { margin-top: .6rem; color: var(--slate); max-width: 34ch; }
  @media (min-width: 900px) {
    .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 4vw, 4rem); padding: 4.25rem 0 0; }
    .steps::before, .steps::after { left: 0; right: 0; top: 1rem; bottom: auto; width: auto; height: 1px; }
    .steps::after { transform-origin: left; transform: scaleX(1); }
    .step-n { left: 0; top: -3.25rem; }
  }

  /* ---- closing CTA ---- */
  .cta { position: relative; isolation: isolate; color: #fff; background: var(--midnight); overflow: hidden; padding-block: var(--space-section); }
  .cta .bg { position: absolute; inset: -8% 0; z-index: -2; }
  .cta .bg img { width: 100%; height: 100%; object-fit: cover; }
  .cta::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(7, 18, 42, .94) 0%, rgba(7, 18, 42, .72) 45%, rgba(7, 18, 42, .96) 100%); }
  .cta h2 { font-size: var(--fs-3); max-width: 15ch; }
  .cta p { margin-top: 1.5rem; color: rgba(255, 255, 255, .8); font-size: var(--fs-1); max-width: 40ch; }
  .cta-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem 2rem; margin-top: 2.5rem; }

  /* ---- services page ---- */
  .subnav {
    position: sticky; top: var(--header-h); z-index: 40;
    background: rgba(255, 255, 255, .88); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--hair); border-radius: var(--r-lg) var(--r-lg) 0 0;
    transition: top .55s var(--ease);
  }
  .header-hidden .subnav { top: 0; }
  .subnav .wrap { display: flex; gap: .25rem 1.75rem; overflow-x: auto; scrollbar-width: none; }
  .subnav .wrap::-webkit-scrollbar { display: none; }
  .subnav a { position: relative; flex: none; padding: 1.1rem 0; font-size: .9375rem; font-weight: 500; color: var(--slate); transition: color .3s; }
  .subnav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--blue); transform: scaleX(0); transform-origin: right; transition: transform .6s var(--ease); }
  .subnav a:hover { color: var(--navy); }
  .subnav a[aria-current="true"] { color: var(--navy); }
  .subnav a[aria-current="true"]::after { transform: scaleX(1); transform-origin: left; }

  .svc { padding-block: clamp(4.5rem, 3rem + 6vw, 9rem); }
  .svc + .svc { border-top: 1px solid var(--hair); }
  .svc-grid { display: grid; gap: 3rem; }
  .svc-aside h2 { font-size: var(--fs-3); }
  .svc-aside p { margin-top: 1.25rem; color: var(--slate); font-size: var(--fs-1); line-height: 1.55; }
  .svc-media { margin-top: 2rem; aspect-ratio: 4 / 3; border-radius: var(--r-md); }
  .svc-aside .btn { margin-top: 2rem; }
  .svc-row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.25rem; padding: 1.75rem 0; border-top: 1px solid var(--hair); }
  .svc-row:last-child { border-bottom: 1px solid var(--hair); }
  .svc-ico { width: 3rem; height: 3rem; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--hair-strong); color: var(--blue); transition: background-color .45s, color .45s, border-color .45s, transform .7s var(--ease); }
  .svc-row:hover .svc-ico { background: var(--blue); border-color: var(--blue); color: #fff; transform: scale(1.07) rotate(-6deg); }
  .svc-row h3 { font-size: 1.1875rem; font-stretch: 108%; font-weight: 700; letter-spacing: -.02em; line-height: 1.25; }
  .svc-row p { margin-top: .4rem; color: var(--slate); font-size: .9688rem; }
  .svc-row .link { display: inline-block; margin-top: .75rem; font-size: .9063rem; }
  @media (min-width: 1000px) {
    .svc-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(3rem, 6vw, 7rem); }
    .svc-aside { position: sticky; top: calc(var(--header-h) + 5.5rem); align-self: start; }
  }

  .promise { background: var(--mist); }
  .promise-grid { display: grid; gap: 2rem; align-items: center; }
  .promise h2 { font-size: var(--fs-3); max-width: 14ch; }
  .promise p { color: var(--slate); font-size: var(--fs-1); line-height: 1.55; }
  @media (min-width: 900px) { .promise-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); } }

  /* ---- about ---- */
  .about-grid { display: grid; gap: 3rem; align-items: start; }
  .about-grid h2 { font-size: var(--fs-3); }
  .about-media { aspect-ratio: 4 / 3; border-radius: var(--r-md); }
  .principles { margin-top: 2.5rem; }
  .principles li { padding: 1.4rem 0; border-top: 1px solid var(--hair); }
  .principles li:last-child { border-bottom: 1px solid var(--hair); }
  .principles h3 { font-size: var(--fs-1); font-stretch: 110%; letter-spacing: -.02em; }
  .principles p { margin-top: .35rem; color: var(--slate); }
  @media (min-width: 1000px) { .about-grid { grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: clamp(3rem, 6vw, 7rem); } .about-media { position: sticky; top: calc(var(--header-h) + 3rem); } }
  .who { background: var(--mist); }
  .who h2 { font-size: var(--fs-3); max-width: 16ch; }
  .who-grid { display: grid; gap: 0; margin-top: var(--space-block); }
  .who-item { padding: 2rem 0; border-top: 1px solid var(--hair-strong); display: grid; gap: .75rem; }
  .who-item .icon { width: 1.75rem; height: 1.75rem; color: var(--blue); }
  .who-item h3 { font-size: var(--fs-2); }
  .who-item p { color: var(--slate); }
  @media (min-width: 900px) { .who-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 4vw, 4rem); } }

  /* ---- contact ---- */
  .contact-grid { display: grid; gap: 4rem; align-items: start; }
  .contact-side h2 { font-size: var(--fs-3); max-width: 12ch; }
  .reassure { margin-top: 2.5rem; }
  .reassure li { display: grid; grid-template-columns: auto 1fr; gap: 1.1rem; padding: 1.25rem 0; border-top: 1px solid var(--hair); }
  .reassure li:last-child { border-bottom: 1px solid var(--hair); }
  .reassure .ico { width: 2.75rem; height: 2.75rem; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: #fff; }
  .reassure .ico .icon { width: 1.25rem; height: 1.25rem; }
  .reassure strong { display: block; font-stretch: 108%; letter-spacing: -.01em; }
  .reassure span { color: var(--slate); font-size: .9688rem; }
  .mailrow { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem 1rem; margin-top: 2rem; }
  .mailrow a { font-size: var(--fs-1); font-weight: 600; font-stretch: 108%; }
  .copy { position: relative; display: inline-flex; align-items: center; gap: .45rem; padding: .5rem .9rem; border-radius: 999px; border: 1px solid var(--hair-strong); font-size: .8125rem; font-weight: 600; transition: background-color .3s, color .3s, border-color .3s; }
  .copy .icon { width: 1rem; height: 1rem; }
  .copy:hover { border-color: var(--navy); }
  .copy.done { background: var(--navy); color: #fff; border-color: var(--navy); }
  .form-card { position: relative; border: 1px solid var(--hair); border-radius: var(--r-lg); padding: clamp(1.5rem, 1rem + 3vw, 3rem); background: #fff; }
  .form-grid { display: grid; gap: 1.5rem; }
  .row-2 { display: grid; gap: 1.5rem; }
  .form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
  .selected-count { font-size: .875rem; color: var(--slate); }
  .hp { position: absolute; left: -9999px; }
  .form-done { display: none; text-align: left; }
  [data-state="sent"] .form-grid { display: none; }
  [data-state="sent"] .form-done { display: block; }
  .form-done h2 { font-size: var(--fs-3); }
  .form-done p { margin-top: 1rem; color: var(--slate); font-size: var(--fs-1); }
  .tick { width: 4.5rem; height: 4.5rem; margin-bottom: 1.75rem; }
  .tick circle { fill: none; stroke: var(--hair-strong); stroke-width: 2; }
  .tick path { fill: none; stroke: var(--blue); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 40; stroke-dashoffset: 0; }
  @media (min-width: 640px) { .row-2 { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1000px) { .contact-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(3rem, 6vw, 7rem); } .contact-side { position: sticky; top: calc(var(--header-h) + 3rem); } }
}

/* ------------------------------------------------------------------ motion */
@layer motion {
  @media (prefers-reduced-motion: no-preference) {

    /* page-to-page crossfade (same-origin navigations) */
    @view-transition { navigation: auto; }
    ::view-transition-old(root) { animation: vt-out .35s var(--ease) both; }
    ::view-transition-new(root) { animation: vt-in .5s var(--ease) both; }
    @keyframes vt-out { to { opacity: 0; } }
    @keyframes vt-in { from { opacity: 0; } }

    /* hero load sequence — the one orchestrated moment */
    .js .hero-media { opacity: 0; transform: scale(1.14); }
    .js.is-ready .hero-media { opacity: 1; transform: none; transition: opacity 1.4s ease, transform 3s var(--ease); }
    .js .hero .fx { opacity: 0; transform: translateY(14px); }
    .js.is-ready .hero .fx { opacity: 1; transform: none; transition: opacity 1.1s var(--ease) calc(.75s + var(--d, 0s)), transform 1.3s var(--ease) calc(.75s + var(--d, 0s)); }
    .js .site-header { opacity: 0; }
    .js.is-ready .site-header { opacity: 1; transition: opacity 1s ease .3s, transform .55s var(--ease), background-color .45s, color .45s, box-shadow .45s; }

    /* headline words rise out of a mask */
    .js [data-split] .w { display: inline-block; overflow: hidden; vertical-align: top; padding: .12em .05em .18em; margin: -.12em -.05em -.18em; }
    .js [data-split] .w > span { display: inline-block; transform: translateY(112%); transition: transform 1.1s var(--ease); transition-delay: calc(var(--i) * 65ms); }
    .js [data-split].in .w > span { transform: none; }
    .js .hero [data-split] .w > span { transition-delay: calc(.35s + var(--i) * 90ms); }

    /* photos wipe open, image settles from a slight zoom */
    .js [data-wipe] > .par { clip-path: inset(0 100% 0 0); transition: clip-path 1.4s var(--ease-io); }
    .js [data-wipe].in > .par { clip-path: inset(0 0 0 0); }
    .js [data-wipe] img { transform: scale(1.16); transition: transform 2s var(--ease); }
    .js [data-wipe].in img { transform: none; }

    /* plain opacity for supporting text */
    .js [data-fade] { opacity: 0; transition: opacity 1.2s ease .15s; }
    .js [data-fade].in { opacity: 1; }

    /* process line draws when it enters view */
    .js [data-steps]::after { transform: scaleY(0); transition: transform 1.8s var(--ease-io) .2s; }
    .js [data-steps].in::after { transform: scaleY(1); }
    @media (min-width: 900px) {
      .js [data-steps]::after { transform: scaleX(0); }
      .js [data-steps].in::after { transform: scaleX(1); }
    }
    .js [data-steps] .step-n { transition: background-color .5s, color .5s; }
    .js [data-steps].in .step-n { background: var(--blue); color: #fff; transition-delay: calc(.4s + var(--k) * .55s); }

    /* confirmation tick */
    [data-state="sent"] .tick path { animation: draw .8s var(--ease) .15s both; }
    @keyframes draw { from { stroke-dashoffset: 40; } }
  }
}