/* Page layer for the portfolio — consumes the Industry design system (css/industry.css). */

/* Self-hosted latin subsets of the DS type (Barlow 400/700, Barlow Condensed 600).
   The DS's Barlow 500 and Condensed 400 were never used by this page, and 600 in
   Barlow already resolved to 700, so these three files cover every weight on it. */
@font-face {
  font-family: "Barlow"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/barlow-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Barlow"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../fonts/barlow-700-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Barlow Condensed"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/barlow-condensed-600-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body { margin: 0; text-wrap: pretty; }
[hidden] { display: none !important; }
.gx-skip {
  position: absolute; left: 12px; top: -100px; z-index: 20; padding: 8px 12px;
  background: var(--color-accent-700); color: var(--color-bg); text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 14px;
}
.gx-skip:focus { top: 12px; }
a { color: var(--color-accent-700); }
a:hover { color: var(--color-accent-900); }

.gx-shell { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.gx-eyebrow {
  display: block; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 600; color: var(--color-accent-700); margin-bottom: 10px;
}
.gx-rule { height: 1px; border: 0; background: var(--color-divider); margin: 0 0 36px; }
.gx-num { font-feature-settings: 'tnum' 1; }

/* — live dot — */
@keyframes gx-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.6); opacity: 0; }
}
.gx-dot { position: relative; display: inline-block; width: 10px; height: 10px; flex: none; }
.gx-dot::before, .gx-dot::after { content: ""; position: absolute; }
.gx-dot::before { inset: 0; background: var(--color-accent); animation: gx-pulse 2.2s ease-out infinite; }
.gx-dot::after { inset: 2px; background: var(--color-accent-700); }
@media (prefers-reduced-motion: reduce) { .gx-dot::before { animation: none; } }

/* — cross registration mark, used on past timeline entries — */
.gx-cross { position: relative; display: block; width: 11px; height: 11px; color: var(--color-accent-700); }
.gx-cross::before, .gx-cross::after { content: ""; position: absolute; background: currentColor; }
.gx-cross::before { left: 5px; top: 0; width: 1px; height: 100%; }
.gx-cross::after { top: 5px; left: 0; width: 100%; height: 1px; }

/* — navigation — */
.gx-nav {
  position: sticky; top: 0; z-index: 10; margin: 0;
  padding: 12px max(20px, calc((100% - 1120px) / 2 + 20px));
}
.gx-nav.glass {
  border-radius: 0; border-width: 0 0 1px; isolation: auto;
  background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none;
  --glass-fill-top: color-mix(in srgb, var(--glass-light) 40%, transparent);
  --glass-fill-bottom: color-mix(in srgb, var(--glass-light) 18%, transparent);
  --glass-drop: 0 10px 30px -12px color-mix(in srgb, var(--color-accent-900) 28%, transparent);
}
.gx-nav.glass::after {
  content: ""; position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background: linear-gradient(160deg, var(--glass-fill-top), var(--glass-fill-bottom));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
}
.gx-nav .nav-brand { text-transform: uppercase; letter-spacing: 0.04em; color: inherit; text-decoration: none; }
.gx-navlinks { display: flex; gap: 22px; margin-right: 10px; }
.gx-navlinks a { color: inherit; text-decoration: none; font-size: 14px; transition: color 0.2s; }
.gx-navlinks a:hover, .gx-navlinks a[aria-current='page'] { color: var(--color-accent-700); }
.gx-menu-btn {
  display: none; width: 38px; height: 38px; padding: 0; margin-left: 4px;
  color: var(--color-text); background: transparent;
  border: 1px solid var(--glass-edge); border-radius: var(--glass-radius); cursor: pointer;
}
.gx-menu-btn svg { display: block; margin: auto; }
.gx-menu-btn .gx-icon-close, .gx-nav.is-open .gx-menu-btn .gx-icon-menu { display: none; }
.gx-nav.is-open .gx-menu-btn .gx-icon-close { display: block; }
.gx-nav .nav-brand:hover { color: var(--color-accent-700); }
.gx-nav .btn-primary,
.gx-nav .btn-primary:hover { font-size: 14px; color: var(--color-bg); }
.gx-nav .btn-primary:hover { background: var(--color-accent-800); border-color: var(--color-accent-800); }

/* — hero — */
.gx-hero-section { position: relative; overflow: hidden; }
.gx-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--color-neutral-200) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-neutral-200) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 70% 90% at 35% 30%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 35% 30%, black 20%, transparent 80%);
}
.gx-hero {
  position: relative; max-width: 1120px; margin: 0 auto; padding: 80px 20px 72px;
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 40px clamp(32px, 6vw, 96px); align-items: center;
}
.gx-hero-copy { display: grid; gap: 22px; }
.gx-status {
  justify-self: start; padding: 6px 14px 6px 12px;
  margin: 0; display: inline-flex; align-items: center; gap: 12px; font-size: 13px; letter-spacing: 0.08em;
  text-transform: uppercase; font-weight: 600; color: var(--color-accent-700);
}
.gx-hero h1 {
  font-size: clamp(52px, 7vw, 96px); line-height: 1.0; text-transform: uppercase;
  letter-spacing: 0.01em; margin: 0 0 0 -0.05em; max-width: 13ch;
}
.gx-hero h1 span { display: block; }
.gx-hero h1 .gx-accent { color: var(--color-accent-700); }
.gx-lede { font-size: 17px; line-height: 1.55; max-width: 54ch; margin: 0; color: var(--color-neutral-800); }
.gx-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.gx-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.gx-hero-figure { display: grid; gap: 14px; justify-items: start; }
.gx-photo { margin: 0; width: 100%; }
.gx-photo img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; display: block; }
.gx-photo { cursor: pointer; }
.gx-photo::after { transition: opacity 0.5s ease; }
.gx-photo:hover::after, .gx-photo.is-color::after { opacity: 0; }
.gx-tap-only { display: none; }
@media (hover: none) {
  .gx-photo:hover::after { opacity: 1; }
  .gx-photo.is-color::after { opacity: 0; }
  .gx-hover-only { display: none; }
  .gx-tap-only { display: inline; }
}
.gx-photo-caption {
  position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 2; margin: 0;
  display: flex; justify-content: space-between; gap: 12px; padding: 8px 12px;
  font-size: 12px; color: var(--color-text); font-feature-settings: 'tnum' 1; letter-spacing: 0.04em;
}

/* — sections — */
.gx-section { scroll-margin-top: 72px; }
#experience, #expertise, #about { padding: 56px 0; }
#experience .gx-rule { margin: 0 0 8px; }
#education { padding: 56px 0 80px; }
#expertise, #about, #education, #contact { content-visibility: auto; contain-intrinsic-size: auto 640px; }

/* — experience timeline — */
.gx-row {
  position: relative; isolation: isolate;
  display: grid; grid-template-columns: 170px 40px minmax(0, 1fr); gap: 0 16px;
  padding: 28px 16px 32px; margin: 0 -16px;
}
.gx-row::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  border-radius: var(--glass-radius);
  background: linear-gradient(160deg, var(--glass-fill-top), var(--glass-fill-bottom));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  box-shadow: inset 0 0 0 1px var(--glass-edge), inset 0 1px 0 var(--glass-specular), var(--glass-drop);
  opacity: 0; transition: opacity 0.3s;
}
.gx-row:hover::before { opacity: 1; }
.gx-row-meta {
  font-size: 13px; line-height: 1.5; color: var(--color-neutral-700);
  font-feature-settings: 'tnum' 1; padding-top: 4px;
}
.gx-row-period { font-weight: 600; color: var(--color-text); }
.gx-rail { position: relative; }
.gx-rail::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: -60px;
  width: 1px; background: var(--color-divider);
}
.gx-rail-mark {
  position: absolute; left: 50%; top: 6px; transform: translateX(-50%);
  display: flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; background: var(--color-bg);
}
.gx-row:last-child .gx-rail::before { bottom: auto; height: 100%; }
.gx-row h2 {
  font-size: 28px; line-height: 1.05; text-transform: uppercase;
  letter-spacing: 0.02em; margin: 0 0 10px;
}
.gx-row-summary { font-size: 15px; line-height: 1.55; margin: 0 0 12px; max-width: 64ch; color: var(--color-neutral-800); }
.gx-row-points { margin: 0 0 16px; padding-left: 18px; font-size: 15px; line-height: 1.6; max-width: 64ch; }
.gx-row-stack { display: flex; gap: 6px; flex-wrap: wrap; }

/* — blueprint cards (education, services) — */
.gx-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
.gx-three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; }
.gx-card { padding: 24px; display: flex; flex-direction: column; gap: 10px; transition: border-color 0.25s; }
.gx-card:hover { border-color: var(--color-accent); }
.gx-card-head { display: flex; justify-content: space-between; align-items: center; color: var(--color-accent-700); }
.gx-card-meta { font-size: 13px; color: var(--color-neutral-700); font-feature-settings: 'tnum' 1; }
.gx-card-index { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; font-feature-settings: 'tnum' 1; }
.gx-card h3 { font-size: 24px; line-height: 1.1; text-transform: uppercase; letter-spacing: 0.02em; margin: 6px 0 0; }
.gx-card p { font-size: 15px; line-height: 1.55; margin: 0; color: var(--color-neutral-800); }
.gx-service { gap: 12px; }
.gx-service p { flex: 1; }
.gx-service-stack { font-size: 13px; color: var(--color-neutral-700); }

/* — about — */
.gx-about { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 36px clamp(32px, 6vw, 96px); align-items: start; }
.gx-about h2 {
  font-size: clamp(32px, 3.6vw, 44px); line-height: 1.05; text-transform: uppercase;
  letter-spacing: 0.02em; margin: 0 0 20px; max-width: 18ch;
}
.gx-about p { font-size: 16px; line-height: 1.6; margin: 0 0 12px; max-width: 56ch; color: var(--color-neutral-800); }
.gx-about p:last-of-type { margin-bottom: 24px; }
.gx-toolbox { padding: 0; }
.gx-toolbox-head {
  display: flex; justify-content: space-between; padding: 10px 16px;
  border-bottom: 1px solid var(--color-divider); font-size: 13px; letter-spacing: 0.08em;
  text-transform: uppercase; font-weight: 600; font-feature-settings: 'tnum' 1;
}
.gx-toolbox-head span + span { color: var(--color-neutral-700); }
.gx-toolbox .table { table-layout: fixed; }
.gx-toolbox td { padding: 12px 16px; font-size: 15px; line-height: 1.5; }
.gx-toolbox th {
  width: 34%; padding: 12px 16px; font-size: 13px; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--color-accent-700); vertical-align: top;
  text-align: left; border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent);
}

/* — contact — */
.gx-dark { background: var(--color-accent-900); color: var(--color-bg); }
#contact { position: relative; overflow: hidden; isolation: isolate; }
.gx-glow { position: absolute; z-index: -1; width: 560px; height: 560px; pointer-events: none; }
.gx-glow-a {
  top: -180px; right: 6%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--color-accent-500) 50%, transparent), transparent);
}
.gx-glow-b {
  top: -140px; left: -240px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--color-accent-600) 40%, transparent), transparent);
}
#contact > .gx-shell { padding-bottom: 32px; }
.gx-footer-band > .gx-shell { padding-top: 40px; }
.gx-dark .blueprint > .corner { color: color-mix(in srgb, var(--color-bg) 55%, transparent); }
.gx-dark .gx-shell { padding: 72px 20px 0; }
.gx-dark .gx-eyebrow { color: var(--color-accent-300); }
.gx-dark .gx-rule { background: color-mix(in srgb, var(--color-bg) 22%, transparent); margin: 0 0 40px; }
.gx-contact { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 40px clamp(32px, 6vw, 96px); align-items: start; }
.gx-contact h2 {
  font-size: clamp(40px, 5vw, 64px); line-height: 1.0; text-transform: uppercase;
  letter-spacing: 0.01em; margin: 0 0 20px; color: var(--color-bg);
}
.gx-contact-lede { font-size: 16px; line-height: 1.6; margin: 0 0 28px; max-width: 44ch; color: var(--color-accent-200); }
.gx-details { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 12px 20px; font-size: 15px; line-height: 1.5; }
.gx-details dt {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--color-accent-300); font-weight: 600; padding-top: 2px;
}
.gx-details dd { margin: 0; color: var(--color-bg); }
.gx-details-links { display: flex; gap: 16px; flex-wrap: wrap; }
.gx-dark a { color: var(--color-bg); text-decoration-color: var(--color-accent-400); }
.gx-dark a:hover { color: var(--color-accent-200); }
.gx-form { display: grid; gap: 16px; padding: 24px; }
.gx-form .gx-two { gap: 16px; }
.gx-dark .field > label { color: var(--color-accent-200); }
.gx-dark .input {
  background: color-mix(in srgb, var(--color-bg) 6%, transparent);
  border-color: color-mix(in srgb, var(--color-bg) 30%, transparent);
  color: var(--color-bg); transition: border-color 0.2s;
}
.gx-dark .input:hover { border-color: color-mix(in srgb, var(--color-bg) 55%, transparent); }
.gx-dark .input:focus-visible { border-color: var(--color-accent-400); outline-color: var(--color-accent-400); }
.gx-dark .input::placeholder { color: color-mix(in srgb, var(--color-bg) 50%, transparent); }
.gx-dark :focus-visible { outline-color: var(--color-accent-400); }
.gx-submit-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.gx-sent, .gx-form-error { font-size: 14px; color: var(--color-accent-200); }
.gx-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; margin: 0; }
.gx-footer {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 0; padding: 24px 0 32px;
  border-top: 1px solid color-mix(in srgb, var(--color-bg) 22%, transparent);
  font-size: 13px; color: var(--color-accent-300);
}

/* — button contrast —
   The DS primary (accent fill + bg text) and ghost (accent text) both land at
   3.71:1, under AA for their 14px label. Both move one ramp step deeper per
   readme.md's guidance for text-size accent on this ground; the dark section
   inverts to a light fill instead, since accent-700 would only separate 2.17:1
   from the accent-900 field. --- */
.btn-primary {
  background: var(--color-accent-700);
  border-color: var(--color-accent-700);
  color: var(--color-bg);
}
.btn-primary:hover { background: var(--color-accent-800); border-color: var(--color-accent-800); }
.btn-primary:active { background: var(--color-accent-900); border-color: var(--color-accent-900); }
.btn-ghost { color: var(--color-accent-700); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent-700) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent-700) 18%, transparent); }

.gx-dark .btn-primary {
  background: var(--color-accent-300);
  border-color: var(--color-accent-300);
  color: var(--color-accent-900);
}
.gx-dark .btn-primary:hover { background: var(--color-accent-200); border-color: var(--color-accent-200); }
.gx-dark .btn-primary:active { background: var(--color-accent-400); border-color: var(--color-accent-400); }

/* — liquid glass —
   A translucent material layered on the Industry system: frosted fill, saturated
   backdrop, a dark outer hairline with a white specular edge, and a sheen that
   tracks the pointer (js/portfolio.js sets --gx-mx / --gx-my). Corners stay
   square per the DS; --glass-radius rounds every glass surface at once. --- */
:root {
  --glass-light: #fff;
  --glass-radius: 10px;
  --glass-blur: 28px;
  --glass-saturate: 190%;
  --glass-fill-top: color-mix(in srgb, var(--glass-light) 44%, transparent);
  --glass-fill-bottom: color-mix(in srgb, var(--glass-light) 10%, transparent);
  --glass-edge: color-mix(in srgb, var(--color-accent-900) 18%, transparent);
  --glass-specular: var(--glass-light);
  --glass-rim: color-mix(in srgb, var(--glass-light) 45%, transparent);
  --glass-shade: color-mix(in srgb, var(--color-accent-900) 14%, transparent);
  --glass-sheen: color-mix(in srgb, var(--glass-light) 80%, transparent);
  --glass-drop: 0 20px 48px -18px color-mix(in srgb, var(--color-accent-900) 40%, transparent);
}
:where(.glass) { position: relative; }
.glass {
  isolation: isolate;
  background: linear-gradient(160deg, var(--glass-fill-top), var(--glass-fill-bottom));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-edge);
  border-radius: var(--glass-radius);
  box-shadow:
    inset 0 1px 0 var(--glass-specular),
    inset 1px 0 0 var(--glass-rim),
    inset 0 0 0 1px color-mix(in srgb, var(--glass-light) 22%, transparent),
    inset 0 0 28px color-mix(in srgb, var(--glass-light) 32%, transparent),
    inset 0 -1px 0 var(--glass-shade),
    var(--glass-drop);
}
.glass::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  border-radius: inherit;
  background: radial-gradient(120% 90% at var(--gx-mx, 18%) var(--gx-my, 0%), var(--glass-sheen), transparent 60%);
  opacity: 0.8; transition: opacity 0.3s;
}
.glass:hover::before { opacity: 1; }
.glass-dark {
  --glass-fill-top: color-mix(in srgb, var(--glass-light) 16%, transparent);
  --glass-fill-bottom: color-mix(in srgb, var(--glass-light) 4%, transparent);
  --glass-edge: color-mix(in srgb, var(--glass-light) 24%, transparent);
  --glass-specular: color-mix(in srgb, var(--glass-light) 45%, transparent);
  --glass-rim: color-mix(in srgb, var(--glass-light) 18%, transparent);
  --glass-shade: color-mix(in srgb, var(--color-neutral-900) 40%, transparent);
  --glass-sheen: color-mix(in srgb, var(--glass-light) 14%, transparent);
  --glass-drop: 0 24px 60px -24px color-mix(in srgb, var(--color-neutral-900) 70%, transparent);
}
.gx-card.glass:hover { border-color: var(--color-accent); }

.gx-actions .btn-secondary {
  border-radius: var(--glass-radius);
  background: linear-gradient(160deg, var(--glass-fill-top), var(--glass-fill-bottom));
  -webkit-backdrop-filter: blur(12px) saturate(var(--glass-saturate));
  backdrop-filter: blur(12px) saturate(var(--glass-saturate));
  border-color: var(--glass-edge);
  box-shadow: inset 0 1px 0 var(--glass-specular), 0 6px 16px -8px color-mix(in srgb, var(--color-accent-900) 35%, transparent);
}
.gx-actions .btn-secondary:hover { background: color-mix(in srgb, var(--glass-light) 80%, transparent); }
.gx-actions .btn-secondary:active { background: color-mix(in srgb, var(--glass-light) 45%, transparent); }

/* ambient light field behind the page, so the glass has colour to refract */
.gx-ambient { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.gx-ambient span {
  position: absolute; width: 64vmax; height: 64vmax; will-change: transform;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--color-accent-300) 90%, transparent), transparent);
  animation: gx-drift 30s ease-in-out infinite alternate;
}
.gx-ambient span:nth-child(1) { top: -28vmax; left: -18vmax; }
.gx-ambient span:nth-child(2) {
  top: 18vh; right: -30vmax; animation-duration: 36s; animation-delay: -9s;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--color-accent-400) 62%, transparent), transparent);
}
.gx-ambient span:nth-child(3) {
  bottom: -34vmax; left: 22vw; animation-duration: 42s; animation-delay: -18s;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--color-accent-200) 100%, transparent), transparent);
}
@keyframes gx-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(7vmax, 5vmax, 0) scale(1.12); }
}
@media (prefers-reduced-motion: reduce) { .gx-ambient span { animation: none; } }

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .gx-nav.glass::after, .gx-navlinks, .gx-row::before, .gx-actions .btn-secondary { background: color-mix(in srgb, var(--color-bg) 94%, transparent); }
  .glass-dark { background: color-mix(in srgb, var(--color-accent-800) 94%, transparent); }
}
@media (prefers-reduced-transparency: reduce) {
  .glass, .gx-nav.glass::after, .gx-navlinks, .gx-row::before, .gx-actions .btn-secondary {
    background: var(--color-bg); -webkit-backdrop-filter: none; backdrop-filter: none;
  }
  .glass-dark { background: var(--color-accent-800); }
  .gx-ambient, .gx-glow { display: none; }
}

/* — scroll reveal — */
.gx-reveal-on [data-reveal] {
  opacity: 0; transform: translateY(16px);
  transition:
    opacity 0.7s cubic-bezier(.2, .7, .2, 1) var(--gx-delay, 0ms),
    transform 0.7s cubic-bezier(.2, .7, .2, 1) var(--gx-delay, 0ms),
    border-color 0.25s, box-shadow 0.25s;
}
.gx-reveal-on [data-reveal].is-visible { opacity: 1; transform: none; }

/* — responsive — */
@media (max-width: 860px) {
  .gx-hero { grid-template-columns: 1fr; padding: 40px 20px 56px; }
  .gx-photo { max-width: 360px; }
  .gx-row { grid-template-columns: 1fr; gap: 16px; }
  .gx-rail { display: none; }
  .gx-two, .gx-three, .gx-about, .gx-contact { grid-template-columns: 1fr; }
  .gx-ambient span { animation: none; }
  .gx-menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .gx-navlinks {
    display: none; position: absolute; left: 12px; right: 12px; top: calc(100% + 8px);
    flex-direction: column; gap: 2px; margin: 0; padding: 8px;
    --glass-fill-top: color-mix(in srgb, var(--glass-light) 80%, transparent);
    --glass-fill-bottom: color-mix(in srgb, var(--glass-light) 62%, transparent);
    background: linear-gradient(160deg, var(--glass-fill-top), var(--glass-fill-bottom));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--glass-edge); border-radius: var(--glass-radius);
    box-shadow: inset 0 1px 0 var(--glass-specular), var(--glass-drop);
  }
  .gx-nav.is-open .gx-navlinks { display: flex; }
  .gx-navlinks a { padding: 12px 14px; font-size: 16px; border-radius: calc(var(--glass-radius) - 2px); }
  .gx-navlinks a:hover, .gx-navlinks a[aria-current='page'] { background: color-mix(in srgb, var(--color-accent-100) 70%, transparent); }
}

/* the liquid material carries the frame on its own; the DS registration marks
   were drawn for square corners and fight the radius */
.glass > .corner { display: none; }

@media print {
  .gx-skip, .gx-ambient, .gx-nav, .gx-glow, .gx-form, .gx-menu-btn { display: none !important; }
  .glass, .gx-row::before, .gx-navlinks { background: transparent; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .gx-dark, .gx-footer-band { background: transparent; color: var(--color-text); }
  .gx-dark a, .gx-details dd, .gx-contact h2 { color: var(--color-text); }
  .gx-dark .gx-eyebrow, .gx-details dt, .gx-contact-lede, .gx-footer { color: var(--color-accent-700); }
  .gx-dark .gx-rule, .gx-footer { border-color: var(--color-divider); background: var(--color-divider); }
  .gx-photo::after { display: none; }
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  #expertise, #about, #education, #contact { content-visibility: visible; }
  .gx-section, .gx-hero { padding-top: 24px; padding-bottom: 24px; }
  .gx-row, .gx-card { break-inside: avoid; }
}