/* Professional Portfolio Scoped Styles */

:root {
  --pro-page: #fbfbfa;
  --pro-surface: #ffffff;
  --pro-surface-soft: #f4f4f1;
  --pro-ink: #171717;
  --pro-body: #454545;
  --pro-muted: #6b6b67;
  --pro-line: #deded8;
  --pro-line-strong: #bdbdb6;
  --pro-accent: #174ea6;
  --pro-accent-dark: #103a7a;
  --pro-max: 1120px;
  --pro-measure: 720px;
  --pro-radius: 8px;
  --pro-sans: "Instrument Sans", Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --pro-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

/* Visibility Control based on data-site-mode */
[data-site-mode="creative"] #professional-portfolio-view {
  display: none !important;
}

[data-site-mode="professional"] #professional-portfolio-view {
  display: block !important;
}

[data-site-mode="professional"] #main-content,
[data-site-mode="professional"] #hd,
[data-site-mode="professional"] #hero,
[data-site-mode="professional"] #site-loader,
[data-site-mode="professional"] #project-assistant,
[data-site-mode="professional"] .hero-objects,
[data-site-mode="professional"] #projects,
[data-site-mode="professional"] .cinematic-projects,
[data-site-mode="professional"] #skills,
[data-site-mode="professional"] #paper-sheet,
[data-site-mode="professional"] .paper-sheet,
[data-site-mode="professional"] #more,
[data-site-mode="professional"] #about,
[data-site-mode="professional"] main#about,
[data-site-mode="professional"] #cinematic-experience,
[data-site-mode="professional"] #living-index,
[data-site-mode="professional"] #about-contact-experience,
[data-site-mode="professional"] .hd-index,
[data-site-mode="professional"] .living-index-sidepanel,
[data-site-mode="professional"] #interactive-game-2048,
[data-site-mode="professional"] .t1-stage,
[data-site-mode="professional"] .t2-stage,
[data-site-mode="professional"] .t3-stage,
[data-site-mode="professional"] .t4-stage,
[data-site-mode="professional"] .t5-stage {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  z-index: -1 !important;
}

[data-site-mode="professional"] .site-header,
[data-site-mode="professional"] #site-header,
[data-site-mode="professional"] .hero__utility,
[data-site-mode="professional"] .hero__scroll,
[data-site-mode="professional"] #section-index,
[data-site-mode="professional"] .living-index-header {
  display: none !important;
}

[data-site-mode="professional"] body {
  background: var(--pro-page) !important;
  color: var(--pro-ink) !important;
  font-family: var(--pro-sans) !important;
}

#professional-portfolio-view {
  background: var(--pro-page);
  color: var(--pro-ink);
  font-family: var(--pro-sans);
  font-size: 16px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

#professional-portfolio-view img { display: block; max-width: 100%; }
#professional-portfolio-view a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .18em; }
#professional-portfolio-view a:hover { color: var(--pro-accent); }
#professional-portfolio-view a:focus-visible, 
#professional-portfolio-view summary:focus-visible { outline: 3px solid rgba(23,78,166,.24); outline-offset: 3px; }
#professional-portfolio-view p, 
#professional-portfolio-view ul, 
#professional-portfolio-view ol, 
#professional-portfolio-view dl, 
#professional-portfolio-view figure { margin-top: 0; }
#professional-portfolio-view p { color: var(--pro-body); }
#professional-portfolio-view h1, 
#professional-portfolio-view h2, 
#professional-portfolio-view h3 { margin-top: 0; color: var(--pro-ink); letter-spacing: -.025em; line-height: 1.16; }
#professional-portfolio-view h1 { font-size: clamp(2.35rem, 5vw, 3.8rem); font-weight: 720; }
#professional-portfolio-view h2 { font-size: clamp(1.55rem, 2.6vw, 2.05rem); font-weight: 700; }
#professional-portfolio-view h3 { font-size: 1.1rem; font-weight: 700; }

.pro-shell { width: min(calc(100% - 48px), var(--pro-max)); margin-inline: auto; }
.pro-site-header { position: sticky; top: 0; z-index: 30; background: rgba(251,251,250,.98); border-bottom: 1px solid var(--pro-line); }
.pro-header-inner { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.pro-identity { display: flex; align-items: baseline; gap: 10px; text-decoration: none; white-space: nowrap; }
.pro-identity strong { font-size: .96rem; letter-spacing: -.01em; color: var(--pro-ink); }
.pro-identity span { color: var(--pro-muted); font-size: .78rem; }
.pro-nav-list { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
.pro-nav-list li { margin: 0; }
.pro-nav-list a { color: #373737; font-size: .84rem; font-weight: 610; text-decoration: none; }
.pro-nav-list .resume-link { padding: 7px 11px; border: 1px solid var(--pro-line-strong); border-radius: 5px; background: var(--pro-surface); }
.pro-mobile-nav { display: none; }

.pro-hero { padding: 84px 0 68px; border-bottom: 1px solid var(--pro-line); }
.pro-hero-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(260px, .65fr); gap: 80px; align-items: start; }
.pro-eyebrow, .pro-section-label, .pro-meta, .pro-date, .pro-profile-card dt { font-family: var(--pro-mono); text-transform: uppercase; letter-spacing: .075em; }
.pro-eyebrow { margin-bottom: 16px; color: var(--pro-accent); font-size: .72rem; font-weight: 700; }
.pro-hero h1 { max-width: 760px; margin-bottom: 21px; }
.pro-hero-lead { max-width: 710px; margin-bottom: 26px; color: #353535; font-size: clamp(1.08rem, 1.7vw, 1.28rem); line-height: 1.55; }
.pro-hero-note { max-width: 680px; margin-bottom: 0; color: var(--pro-muted); font-size: .94rem; }
.pro-actions { display: flex; flex-wrap: wrap; gap: 11px; margin: 28px 0 0; }
.pro-button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 0 15px; border: 1px solid var(--pro-ink); border-radius: 5px; background: var(--pro-ink); color: #fff; font-size: .84rem; font-weight: 700; text-decoration: none; }
#professional-portfolio-view a.pro-button:not(.secondary) { color: #fff; }
.pro-button:hover { background: var(--pro-accent-dark); color: white; }
.pro-button.secondary { background: transparent; color: var(--pro-ink); border-color: var(--pro-line-strong); }
.pro-button.secondary:hover { color: var(--pro-accent); border-color: var(--pro-accent); }
.pro-profile-card { margin: 0; padding: 22px 24px; border: 1px solid var(--pro-line); background: var(--pro-surface); }
.pro-profile-card div { padding: 12px 0; border-top: 1px solid var(--pro-line); }
.pro-profile-card div:first-child { padding-top: 0; border-top: 0; }
.pro-profile-card div:last-child { padding-bottom: 0; }
.pro-profile-card dt { margin-bottom: 4px; color: var(--pro-muted); font-size: .7rem; font-weight: 700; }
.pro-profile-card dd { margin: 0; color: var(--pro-ink); font-size: .91rem; font-weight: 620; }

.pro-section { padding: 78px 0; border-bottom: 1px solid var(--pro-line); }
.pro-section-frame { display: grid; grid-template-columns: 168px minmax(0, 1fr); gap: 48px; }
.pro-section-label { padding-top: 5px; color: var(--pro-accent); font-size: .7rem; font-weight: 700; }
.pro-section-content > h2 { max-width: 720px; margin-bottom: 30px; }
.pro-section-intro { max-width: var(--pro-measure); margin-bottom: 34px; color: var(--pro-muted); }

.pro-timeline { border-top: 1px solid var(--pro-line-strong); }
.pro-timeline-item { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 30px; padding: 27px 0; border-bottom: 1px solid var(--pro-line); }
.pro-date { padding-top: 3px; color: var(--pro-muted); font-size: .7rem; }
.pro-role-heading { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-bottom: 5px; }
.pro-role-heading h3 { margin: 0; }
.pro-role-heading span { color: var(--pro-muted); font-size: .86rem; }
.pro-role-subtitle { margin-bottom: 12px; color: var(--pro-muted); font-size: .88rem; font-style: italic; }
.pro-compact-list { margin: 0; padding-left: 1.1rem; color: var(--pro-body); }
.pro-compact-list li + li { margin-top: .45rem; }

.pro-projects { border-top: 1px solid var(--pro-line-strong); }
.pro-project-entry { display: grid; grid-template-columns: 92px minmax(0, 1fr) 170px; gap: 26px; padding: 30px 0; border-bottom: 1px solid var(--pro-line); }
.pro-app-icon-shell { width: 84px; height: 84px; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--pro-line); border-radius: 20px; background: var(--pro-surface-soft); }
.pro-app-icon-shell img { width: 100%; height: 100%; object-fit: contain; }
.pro-app-icon-shell.monogram { padding: 13px; background: #171b23; color: #eef2f8; border-color: #252c37; border-radius: 18px; font-family: var(--pro-mono); font-size: .6875rem; font-weight: 700; line-height: 1.35; letter-spacing: .07em; text-align: left; }
.pro-project-main h3 { margin-bottom: 5px; font-size: 1.28rem; }
.pro-project-role { margin-bottom: 12px; color: var(--pro-muted); font-size: .84rem; }
.pro-project-main > p { max-width: 680px; margin-bottom: 13px; }
.pro-stack { margin: 13px 0 0; color: #4d4d49; font-family: var(--pro-mono); font-size: .75rem; line-height: 1.6; }
.pro-project-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 15px; }
.pro-project-actions a { color: var(--pro-accent); font-size: .82rem; font-weight: 700; }
.pro-project-side { padding-top: 3px; }
.pro-project-side dl { margin: 0; }
.pro-project-side div { padding: 9px 0; border-top: 1px solid var(--pro-line); }
.pro-project-side div:first-child { padding-top: 0; border-top: 0; }
.pro-project-side dt { margin-bottom: 2px; color: var(--pro-muted); font-size: .6875rem; font-weight: 700; }
.pro-project-side dd { margin: 0; color: var(--pro-ink); font-size: .82rem; font-weight: 600; }

.pro-skills-list { border-top: 1px solid var(--pro-line-strong); }
.pro-skill-row { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 30px; padding: 18px 0; border-bottom: 1px solid var(--pro-line); }
.pro-skill-row strong { font-size: .91rem; }
.pro-skill-row span { color: var(--pro-body); }

.pro-education-card { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 24px; padding: 26px 0; border-top: 1px solid var(--pro-line-strong); border-bottom: 1px solid var(--pro-line); }
.pro-education-card h3 { margin-bottom: 2px; font-size: 1.24rem; }
.pro-education-card .degree { margin-bottom: 13px; color: var(--pro-body); }
.pro-education-card .school-meta { margin: 0; color: var(--pro-muted); font-size: .87rem; }
.pro-education-card .edu-date { color: var(--pro-muted); font-family: var(--pro-mono); font-size: .72rem; white-space: nowrap; }
.pro-coursework { margin-top: 24px; padding: 20px; border: 1px solid var(--pro-line); background: var(--pro-surface); }
.pro-coursework h3 { margin-bottom: 9px; font-size: .94rem; }
.pro-coursework p { margin: 0; }

.pro-award-list { border-top: 1px solid var(--pro-line-strong); }
.pro-award-row { display: grid; grid-template-columns: minmax(0,1fr) 120px; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--pro-line); }
.pro-award-row strong { display: block; }
.pro-award-row span { color: var(--pro-muted); font-size: .86rem; }
.pro-award-row time { color: var(--pro-muted); font-family: var(--pro-mono); font-size: .72rem; text-align: right; }

.pro-contact-panel { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 34px; align-items: end; padding: 30px; border: 1px solid var(--pro-line-strong); background: var(--pro-surface); }
.pro-contact-panel h2 { margin-bottom: 11px; }
.pro-contact-panel p { max-width: 640px; margin-bottom: 0; }
.pro-contact-links { display: grid; gap: 8px; justify-items: start; min-width: 220px; }
.pro-contact-links a { color: var(--pro-accent); font-size: .88rem; font-weight: 700; }

.pro-site-footer { padding: 28px 0 38px; border-top: 1px solid var(--pro-line); }
.pro-footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 26px; color: var(--pro-muted); font-size: .78rem; }
.pro-footer-links { display: flex; flex-wrap: wrap; gap: 16px; }

/* Motion technique placement -------------------------------------------------
   The immersive creative route already owns WebGL, pins, and hard scrubs. The
   professional surface stays readable: proximity snap helps section finding,
   project rows stack like a physical dossier, and only the thesis gets a
   character-level entrance. */
@supports (scroll-snap-type: y proximity) {
  html[data-site-mode="professional"],
  html[data-standalone-professional] {
    scroll-padding-top: 76px;
    scroll-snap-type: y proximity;
  }

  html[data-site-mode="professional"] :is(.pro-hero, .pro-section),
  html[data-standalone-professional] :is(.case-hero, .case-section, #contact) {
    scroll-snap-align: start;
    scroll-snap-stop: normal;
  }
}

.pro-reveal-word {
  display: inline-block;
  overflow: clip;
  white-space: nowrap;
  vertical-align: top;
}

.pro-reveal-char {
  display: inline-block;
  transform-origin: 50% 88%;
}

@media (min-width: 901px) and (prefers-reduced-motion: no-preference) {
  html[data-site-mode="professional"] #pro-projects .pro-projects {
    padding-bottom: 14vh;
  }

  html[data-site-mode="professional"] #pro-projects .pro-project-entry {
    position: sticky;
    top: calc(78px + var(--pro-stack-index, 0) * 7px);
    z-index: calc(2 + var(--pro-stack-index, 0));
    margin: 0 0 clamp(30px, 6vh, 64px);
    padding: 30px 24px;
    border: 1px solid var(--pro-line);
    border-radius: 12px;
    background: color-mix(in srgb, var(--pro-surface) 97%, var(--pro-page));
    box-shadow: 0 18px 42px rgba(23, 23, 23, .08), 0 2px 6px rgba(23, 23, 23, .04);
  }

  html[data-site-mode="professional"] #pro-projects .pro-project-entry:last-child {
    margin-bottom: 0;
  }

  html[data-site-mode="professional"] #pro-projects .pro-project-entry.is-keyboard-active {
    z-index: 50;
  }
}

/* GPU-less browsers keep the full professional content without scroll-snap or
   stacked sticky paint. This path is selected before first scroll, so it cannot
   reshuffle cards underneath an active gesture. */
html[data-webgl-fallback="true"][data-site-mode="professional"] {
  scroll-snap-type: none;
}

html[data-webgl-fallback="true"][data-site-mode="professional"] #pro-projects .pro-projects {
  padding-bottom: 0;
}

html[data-webgl-fallback="true"][data-site-mode="professional"] #pro-projects .pro-project-entry {
  position: relative;
  top: auto;
  z-index: auto;
  box-shadow: none;
  contain: paint;
}

.pro-case-flight {
  position: fixed !important;
  inset: 0 auto auto 0 !important;
  z-index: 100000 !important;
  width: 100vw !important;
  height: 100dvh !important;
  box-sizing: border-box !important;
  margin: 0 !important;
  padding: clamp(32px, 6vw, 84px) !important;
  align-content: center !important;
  grid-template-columns: minmax(84px, .24fr) minmax(0, 1fr) minmax(170px, .28fr) !important;
  gap: clamp(26px, 5vw, 78px) !important;
  overflow: hidden !important;
  pointer-events: none !important;
  transform-origin: 0 0 !important;
  background: var(--pro-page) !important;
  box-shadow: none !important;
}

body.pro-case-flight-active { overflow: hidden !important; }

@media (max-width: 900px) {
  .pro-desktop-nav { display: none; }
  .pro-mobile-nav { display: block; position: relative; }
  .pro-mobile-nav summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; list-style: none; padding: 7px 10px; border: 1px solid var(--pro-line-strong); border-radius: 5px; font-size: .82rem; font-weight: 700; }
  .pro-mobile-nav summary::-webkit-details-marker { display: none; }
  .pro-mobile-nav .pro-nav-list { position: absolute; right: 0; top: calc(100% + 9px); width: min(270px, calc(100vw - 48px)); display: grid; gap: 0; padding: 7px; border: 1px solid var(--pro-line); background: var(--pro-surface); box-shadow: 0 16px 30px rgba(0,0,0,.08); }
  .pro-mobile-nav .pro-nav-list a { display: block; padding: 9px; }
  .pro-hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .pro-profile-card { max-width: 620px; }
  .pro-section-frame { grid-template-columns: 130px minmax(0,1fr); gap: 34px; }
  .pro-project-entry { grid-template-columns: 82px minmax(0,1fr); }
  .pro-project-side { grid-column: 2; }
  .pro-project-side dl { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
  .pro-project-side div { border-top: 1px solid var(--pro-line); padding-top: 8px; }
}

@media (max-width: 680px) {
  html[data-site-mode="professional"],
  html[data-standalone-professional] { scroll-snap-type: none; }
  .pro-shell { width: min(calc(100% - 32px), var(--pro-max)); }
  .pro-site-header { position: static; }
  .pro-identity span { display: none; }
  .pro-hero { padding: 58px 0 48px; }
  .pro-section { padding: 58px 0; }
  .pro-section-frame { grid-template-columns: 1fr; gap: 13px; }
  .pro-section-label { padding-top: 0; }
  .pro-timeline-item { grid-template-columns: 1fr; gap: 7px; padding: 23px 0; }
  .pro-role-heading { display: block; }
  .pro-role-heading span { display: block; margin-top: 2px; }
  .pro-project-entry { grid-template-columns: 68px minmax(0,1fr); gap: 17px; padding: 24px 0; }
  .pro-app-icon-shell { width: 64px; height: 64px; border-radius: 16px; }
  .pro-project-main h3 { font-size: 1.14rem; }
  .pro-project-main > p, .pro-project-main .pro-compact-list, .pro-stack, .pro-project-actions, .pro-project-side { grid-column: 1 / -1; }
  .pro-project-side dl { grid-template-columns: 1fr; gap: 0; }
  .pro-skill-row { grid-template-columns: 1fr; gap: 4px; }
  .pro-education-card { grid-template-columns: 1fr; }
  .pro-education-card .edu-date { white-space: normal; }
  .pro-award-row { grid-template-columns: 1fr; gap: 4px; }
  .pro-award-row time { text-align: left; }
  .pro-contact-panel { grid-template-columns: 1fr; padding: 23px; }
}

/* Standalone engineering case studies --------------------------------------
   These routes use the professional system without the creative homepage
   shell. Keep the layout editorial, highly legible, and visibly intentional. */
html[data-standalone-professional] {
  color-scheme: light;
  background: var(--pro-page);
}
html[data-standalone-professional] body#professional-portfolio-view {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background:
    radial-gradient(circle at 86% 3%, rgba(23,78,166,.055), transparent 28rem),
    var(--pro-page);
}
html[data-standalone-professional] .skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border: 1px solid var(--pro-ink);
  border-radius: 5px;
  background: var(--pro-ink);
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(calc(-100% - 18px));
  transition: transform .18s ease;
}
html[data-standalone-professional] .skip-link:focus { transform: translateY(0); }
html[data-standalone-professional] .shell {
  width: min(calc(100% - 48px), var(--pro-max));
  margin-inline: auto;
}
html[data-standalone-professional] .pro-site-header {
  background: rgba(251,251,250,.88);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  backdrop-filter: blur(16px) saturate(1.15);
}
html[data-standalone-professional] .case-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(56px,8vw,108px) 0 0;
  border-bottom: 1px solid var(--pro-line-strong);
}
html[data-standalone-professional] .case-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .48;
  background-image:
    linear-gradient(rgba(23,23,23,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23,23,23,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000, transparent 76%);
}
html[data-standalone-professional] .case-hero > .shell { position: relative; }
html[data-standalone-professional] .back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(36px,5vw,68px);
  color: var(--pro-muted);
  font: 700 .72rem/1 var(--pro-mono);
  letter-spacing: .075em;
  text-decoration: none;
  text-transform: uppercase;
}
html[data-standalone-professional] .back-link:hover { color: var(--pro-accent); }
html[data-standalone-professional] .case-title-grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) clamp(180px,22vw,258px);
  align-items: center;
  gap: clamp(44px,8vw,116px);
}
html[data-standalone-professional] .eyebrow {
  margin: 0 0 16px;
  color: var(--pro-accent);
  font: 750 .7rem/1.2 var(--pro-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
html[data-standalone-professional] .case-title-grid h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(3.7rem,8.2vw,7.4rem);
  font-weight: 735;
  line-height: .9;
  letter-spacing: -.04em;
  text-wrap: balance;
}
html[data-standalone-professional] .case-deck {
  max-width: 760px;
  margin: 30px 0 0;
  color: #383838;
  font-size: clamp(1.06rem,1.65vw,1.28rem);
  line-height: 1.58;
  text-wrap: pretty;
}
html[data-standalone-professional] .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
html[data-standalone-professional] .button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--pro-ink);
  border-radius: 5px;
  background: var(--pro-ink);
  color: #fff;
  font-size: .82rem;
  font-weight: 720;
  text-decoration: none;
  transition: transform .18s ease, background-color .18s ease;
}
html[data-standalone-professional] .button:hover {
  color: #fff;
  background: var(--pro-accent-dark);
  transform: translateY(-2px);
}
html[data-standalone-professional] .app-icon-shell {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(23,23,23,.14);
  border-radius: clamp(36px,5vw,60px);
  background: #fff;
  box-shadow:
    0 1px 0 rgba(255,255,255,.85) inset,
    0 24px 70px rgba(29,34,42,.12),
    0 5px 18px rgba(29,34,42,.08);
  transform: rotate(2.2deg);
}
html[data-standalone-professional] .app-icon-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.22);
  pointer-events: none;
}
html[data-standalone-professional] .app-icon-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
html[data-standalone-professional] .app-icon-shell.monogram {
  padding: 24px;
  border-radius: 42px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.08), transparent 40%),
    #171b23;
  color: #eef2f8;
  font: 700 clamp(.72rem,1.2vw,1rem)/1.45 var(--pro-mono);
  letter-spacing: .08em;
  text-align: left;
}
html[data-standalone-professional] .fact-grid {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  margin: clamp(62px,8vw,104px) 0 0;
  border-top: 1px solid var(--pro-line-strong);
}
html[data-standalone-professional] .fact-grid > div {
  min-height: 112px;
  padding: 22px 22px 24px 0;
  border-right: 1px solid var(--pro-line);
}
html[data-standalone-professional] .fact-grid > div:not(:first-child) { padding-left: 22px; }
html[data-standalone-professional] .fact-grid > div:last-child { border-right: 0; }
html[data-standalone-professional] .fact-grid dt {
  margin-bottom: 10px;
  color: var(--pro-muted);
  font: 700 .65rem/1.2 var(--pro-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
html[data-standalone-professional] .fact-grid dd {
  margin: 0;
  color: var(--pro-ink);
  font-size: .93rem;
  font-weight: 650;
  line-height: 1.45;
}
html[data-standalone-professional] .case-section {
  padding: clamp(62px,8vw,98px) 0;
  border-bottom: 1px solid var(--pro-line);
}
html[data-standalone-professional] .case-section-grid {
  display: grid;
  grid-template-columns: minmax(150px,220px) minmax(0,760px);
  justify-content: space-between;
  gap: clamp(42px,8vw,118px);
}
html[data-standalone-professional] .case-section h2 {
  position: sticky;
  top: 104px;
  align-self: start;
  margin: 0;
  color: var(--pro-muted);
  font: 700 .72rem/1.35 var(--pro-mono);
  letter-spacing: .11em;
  text-transform: uppercase;
}
html[data-standalone-professional] .case-body {
  min-width: 0;
  font-size: clamp(1rem,1.25vw,1.09rem);
}
html[data-standalone-professional] .case-body > p {
  max-width: 68ch;
  margin-bottom: 0;
  line-height: 1.72;
  text-wrap: pretty;
}
html[data-standalone-professional] .case-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: contribution;
  border-top: 1px solid var(--pro-line-strong);
}
html[data-standalone-professional] .case-list li {
  position: relative;
  counter-increment: contribution;
  padding: 22px 0 22px 48px;
  border-bottom: 1px solid var(--pro-line);
  color: var(--pro-body);
  line-height: 1.65;
}
html[data-standalone-professional] .case-list li::before {
  content: "0" counter(contribution);
  position: absolute;
  left: 0;
  top: 24px;
  color: var(--pro-accent);
  font: 700 .67rem/1 var(--pro-mono);
}
html[data-standalone-professional] .tech-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--pro-line-strong);
}
html[data-standalone-professional] .tech-table th,
html[data-standalone-professional] .tech-table td {
  padding: 20px 0;
  border-bottom: 1px solid var(--pro-line);
  text-align: left;
  vertical-align: top;
}
html[data-standalone-professional] .tech-table th {
  width: 31%;
  padding-right: 30px;
  color: var(--pro-ink);
  font-size: .86rem;
}
html[data-standalone-professional] .tech-table td {
  color: var(--pro-body);
  line-height: 1.62;
}
html[data-standalone-professional] .stack {
  margin-top: 28px !important;
  padding-top: 20px;
  border-top: 1px solid var(--pro-line);
  color: var(--pro-muted) !important;
  font: 650 .7rem/1.75 var(--pro-mono);
  letter-spacing: .035em;
  text-transform: uppercase;
}
html[data-standalone-professional] .section {
  padding: clamp(66px,8vw,96px) 0;
  background: var(--pro-surface-soft);
}
html[data-standalone-professional] .contact-panel {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: end;
  gap: 48px;
  padding: clamp(30px,4vw,46px);
  border: 1px solid var(--pro-line-strong);
  background: var(--pro-surface);
}
html[data-standalone-professional] .contact-panel h2 {
  max-width: 720px;
  margin-bottom: 13px;
  font-size: clamp(1.65rem,3vw,2.6rem);
}
html[data-standalone-professional] .contact-panel p { margin-bottom: 0; }
html[data-standalone-professional] .contact-links {
  display: grid;
  gap: 10px;
  min-width: 190px;
  justify-items: start;
}
html[data-standalone-professional] .contact-links a {
  color: var(--pro-accent);
  font-size: .84rem;
  font-weight: 730;
}
html[data-standalone-professional] .site-footer {
  padding: 30px 0 42px;
  border-top: 1px solid var(--pro-line);
  background: var(--pro-page);
}
html[data-standalone-professional] .footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 28px;
  color: var(--pro-muted);
  font-size: .78rem;
}
html[data-standalone-professional] .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 760px) {
  html[data-standalone-professional] .shell { width: min(calc(100% - 32px),var(--pro-max)); }
  html[data-standalone-professional] .case-hero { padding-top: 46px; }
  html[data-standalone-professional] .back-link { margin-bottom: 34px; }
  html[data-standalone-professional] .case-title-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  html[data-standalone-professional] .case-title-grid h1 {
    font-size: clamp(3.15rem,16vw,5.1rem);
    letter-spacing: -.04em;
  }
  html[data-standalone-professional] .app-icon-shell {
    width: min(62vw,230px);
    border-radius: clamp(34px,12vw,54px);
    transform: rotate(1.5deg);
  }
  html[data-standalone-professional] .fact-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  html[data-standalone-professional] .fact-grid > div { min-height: 100px; border-bottom: 1px solid var(--pro-line); }
  html[data-standalone-professional] .fact-grid > div:nth-child(2) { border-right: 0; }
  html[data-standalone-professional] .fact-grid > div:nth-child(3),
  html[data-standalone-professional] .fact-grid > div:nth-child(4) { border-bottom: 0; }
  html[data-standalone-professional] .fact-grid > div:nth-child(3) { padding-left: 0; }
  html[data-standalone-professional] .case-section-grid { grid-template-columns: 1fr; gap: 25px; }
  html[data-standalone-professional] .case-section h2 { position: static; }
  html[data-standalone-professional] .tech-table,
  html[data-standalone-professional] .tech-table tbody,
  html[data-standalone-professional] .tech-table tr,
  html[data-standalone-professional] .tech-table th,
  html[data-standalone-professional] .tech-table td { display: block; width: 100%; }
  html[data-standalone-professional] .tech-table tr { padding: 18px 0; border-bottom: 1px solid var(--pro-line); }
  html[data-standalone-professional] .tech-table th,
  html[data-standalone-professional] .tech-table td { padding: 0; border: 0; }
  html[data-standalone-professional] .tech-table td { margin-top: 5px; }
  html[data-standalone-professional] .contact-panel { grid-template-columns: 1fr; align-items: start; padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html[data-site-mode="professional"],
  html[data-standalone-professional] { scroll-snap-type: none; }
  .pro-reveal-char { transform: none !important; opacity: 1 !important; }
  .pro-case-flight { display: none !important; }
  html[data-standalone-professional] .button,
  html[data-standalone-professional] .skip-link { transition: none; }
  html[data-standalone-professional] .button:hover { transform: none; }
}
html[data-standalone-professional],
html[data-standalone-professional] body { overflow-x: clip; }
html[data-standalone-professional] *,
html[data-standalone-professional] *::before,
html[data-standalone-professional] *::after { box-sizing: border-box; }
html[data-standalone-professional] body#professional-portfolio-view .button,
html[data-standalone-professional] body#professional-portfolio-view .button:hover { color: #fff; }
@media (max-width:760px) {
  html[data-standalone-professional] .app-icon-shell { transform: none; }
}

/* ------------------------------------------------------------------ *
 * Touch targets — WCAG 2.2 AA (2.5.8, 24×24 CSS px)
 *
 * Measured at 390 and 320 these were all failing on height, on the five
 * pages a recruiter is most likely to open on a phone: the back link was
 * 179×12, the footer links 20 tall, the contact pair 22. The text is the
 * right size; only the box it can be hit in was too short.
 *
 * min-height plus centring grows the hit area around the existing
 * baseline rather than moving it, so nothing shifts visually.
 * ------------------------------------------------------------------ */
html[data-standalone-professional] .back-link,
html[data-standalone-professional] .contact-links a,
html[data-standalone-professional] .footer-links a,
.pro-nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
}