/* =====================================================================
   Horizon Health Economics — claude-version-2
   Highly interactive single-page site.
   ===================================================================== */

:root {
  --brand-white: #ffffff;
  --brand-light-blue: #05d8e7;
  --brand-mid-blue: #005679;
  --brand-dark-blue: #020135;
  --brand-accent-red: #ff2a6d;
  --navy: var(--brand-dark-blue);
  --teal: var(--brand-mid-blue);
  --cyan: var(--brand-light-blue);
  --magenta: var(--brand-accent-red);
  --link-teal: var(--brand-mid-blue);
  --bg: #ffffff;
  --bg-soft: #f1fbfd;
  --text: var(--brand-dark-blue);
  --text-soft: var(--brand-mid-blue);
  --border-soft: rgba(0, 86, 121, 0.14);
  --border-strong: rgba(0, 86, 121, 0.28);
  --shadow-soft: 0 8px 24px rgba(2, 1, 53, 0.08);
  --shadow-strong: 0 18px 40px rgba(2, 1, 53, 0.16);
  --brand-gradient: linear-gradient(115deg, #ffffff 2%, #05d8e7 20%, #005679 60%, #020135 100%);
  --radius: 8px;
  --max: 1280px;
  --max-contact: 1080px;
  --section-pad: 50px;
  --nav-h: 72px;
}

[data-theme="dark"] {
  --bg: #020135;
  --bg-soft: #07194c;
  --text: #ffffff;
  --text-soft: #c3edf4;
  --navy: #f7f9ff;
  --teal: #c3edf4;
  --link-teal: var(--brand-light-blue);
  --border-soft: rgba(5, 216, 231, 0.16);
  --border-strong: rgba(5, 216, 231, 0.3);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.42);
  --shadow-strong: 0 18px 40px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) - 50px);
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: 'Montserrat', system-ui, -apple-system, Segoe UI, sans-serif;
  background:
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 46%, var(--bg) 100%);
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background .35s ease, color .35s ease;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 { color: var(--text); font-weight: 700; line-height: 1.2; margin: 0 0 .6em; }
a { color: var(--link-teal); text-decoration: none; transition: color .25s ease; }
a:hover, a:focus { color: var(--magenta); }
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(5, 216, 231, 0.5); outline-offset: 2px; border-radius: 4px;
}

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--navy); color: var(--bg); padding: 10px 16px; z-index: 2000; }
.skip-link:focus { left: 12px; top: 12px; }

/* =================== SCROLL PROGRESS =================== */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: var(--brand-gradient);
  z-index: 2000; transition: width .1s linear;
}

/* =================== NAV =================== */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border-soft);
  transition: background .35s ease, border-color .35s ease;
  height: var(--nav-h);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto; height: 100%;
  padding: 0 28px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); font-weight: 700; font-size: 1rem; letter-spacing: 0; }
.brand:hover { color: var(--text); }
.brand-logo {
  display: block;
  width: min(230px, 52vw);
  max-height: 42px;
  object-fit: contain;
}
.brand-logo-dark { display: none; }
[data-theme="dark"] .brand-logo-light { display: none; }
[data-theme="dark"] .brand-logo-dark { display: block; }

nav[aria-label="Primary"] { flex: 1; }
.nav-links { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; align-items: center; }
.nav-links a {
  display: inline-block; padding: 10px 12px; color: var(--text); font-weight: 500;
  font-size: .92rem; letter-spacing: 0;
  border-bottom: 3px solid transparent; text-underline-offset: 8px;
  transition: color .3s ease, border-color .3s ease;
}
.nav-links a:hover, .nav-links a.current { color: var(--text); border-bottom-color: var(--magenta); }
.nav-links .nav-app-link { margin-left: auto; }
.nav-links .nav-app-link a {
  border: 1px solid rgba(255, 42, 109, .42);
  border-bottom-width: 1px;
  border-radius: 8px;
  background: rgba(255, 42, 109, .1);
  color: var(--magenta);
  font-weight: 800;
}
.nav-links .nav-app-link a:hover,
.nav-links .nav-app-link a.current {
  background: var(--magenta);
  border-color: var(--magenta);
  color: #fff;
}

.nav-tools { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  background: var(--bg-soft); color: var(--text); border: 1px solid var(--border-soft);
  width: 38px; height: 38px; border-radius: 10px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .25s ease;
}
.icon-btn:hover { color: var(--magenta); border-color: var(--magenta); transform: translateY(-1px); }
.nav-burger { display: none; }

@media (max-width: 1024px) {
  .nav-links { display: none; position: absolute; top: var(--nav-h); right: 28px;
    flex-direction: column; align-items: stretch; background: var(--bg);
    border: 1px solid var(--border-soft); border-radius: 12px; padding: 10px;
    box-shadow: var(--shadow-soft); min-width: 220px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { border-bottom: 0; padding: 10px 14px; border-radius: 8px; }
  .nav-links a.current { background: var(--bg-soft); color: var(--magenta); }
  .nav-links .nav-app-link { margin-left: 0; margin-top: 6px; }
  .nav-links .nav-app-link a.current { background: var(--magenta); color: #fff; }
  .nav-burger { display: inline-flex; }
}
@media (max-width: 540px) { .brand-logo { width: min(190px, 52vw); } }

/* =================== BUTTONS =================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 24px;
  border-radius: 8px; font-weight: 700; font-family: inherit; font-size: .98rem;
  cursor: pointer; transition: all .25s ease; border: 1px solid transparent;
}
.btn-primary { background: var(--magenta); color: #fff; box-shadow: 0 8px 18px rgba(255, 42, 109, .26); }
.btn-primary:hover, .btn-primary:focus { background: var(--brand-mid-blue); box-shadow: 0 10px 22px rgba(0, 86, 121, .24); transform: translateY(-2px); color: #fff; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--magenta); color: var(--magenta); transform: translateY(-2px); }

/* =================== HERO =================== */
.hero {
  position: relative; min-height: 92svh;
  padding: calc(var(--nav-h) + 70px) 24px 76px;
  display: flex; align-items: center; justify-content: center;
  text-align: left; overflow: hidden; color: #fff; isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; background: var(--brand-dark-blue); }
.hero-image {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center 54%;
  filter: none;
  transform: scale(1.01);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0; z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(2, 1, 53, 0.92) 0%, rgba(0, 86, 121, 0.72) 48%, rgba(2, 1, 53, 0.34) 100%),
    linear-gradient(0deg, rgba(2, 1, 53, 0.3), rgba(2, 1, 53, 0.04));
}
.hero-bg::before { content: none; }
[data-theme="dark"] .hero-bg::after {
  background: none;
}
.hero-grain {
  position: absolute; inset: 0; z-index: 3; pointer-events: none; opacity: .05;
  background-image: radial-gradient(rgba(255,255,255,.8) 1px, transparent 1px);
  background-size: 3px 3px;
}

.hero-inner {
  position: relative; z-index: 2; width: min(100%, var(--max));
  display: flex; flex-direction: column; align-items: flex-start;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(5, 216, 231, .36);
  font-size: .78rem; font-weight: 700; letter-spacing: 0; text-transform: uppercase;
  color: #fff; margin: 0 0 24px;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--magenta);
  box-shadow: 0 0 0 0 rgba(255, 42, 109, .7); animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 42, 109, .7); }
  70% { box-shadow: 0 0 0 12px rgba(255, 42, 109, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 42, 109, 0); }
}

.hero-title {
  max-width: 780px;
  font-size: 2.8rem; line-height: 1.12;
  font-weight: 900; letter-spacing: 0; color: #fff;
  margin: 0 0 24px; text-shadow: 0 8px 30px rgba(2, 1, 53, .42);
}
.hero-title .word { display: block; opacity: 0; transform: translateY(20px); animation: wordIn .9s ease forwards; margin-right: 0; }
.hero-title .word em { font-style: normal; background: none; color: var(--cyan); }
.hero-title .w4 em { color: var(--magenta); }
.hero-title .w1 { animation-delay: .15s; }
.hero-title .w2 { animation-delay: .35s; }
.hero-title .w3 { animation-delay: .65s; }
.hero-title .w4 { animation-delay: .85s; }
@keyframes wordIn { to { opacity: 1; transform: none; } }

.hero-sub {
  font-size: 1.18rem; color: rgba(255, 255, 255, .9);
  max-width: 680px; margin: 0 0 36px;
  opacity: 0; animation: fadeUp 1s ease 1.15s forwards;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-start; opacity: 0; animation: fadeUp 1s ease 1.35s forwards; }
.hero .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .46); background: rgba(255, 255, 255, .08); }
.hero .btn-ghost:hover { color: var(--brand-dark-blue); background: #fff; border-color: #fff; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.hero-stats {
  margin-top: 60px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  width: 100%; max-width: 760px; opacity: 0; animation: fadeUp 1s ease 1.55s forwards;
}
.stat {
  padding: 18px 14px; background: rgba(2, 1, 53, .44);
  border: 1px solid rgba(255, 255, 255, .18); border-radius: var(--radius);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  text-align: center;
}
.stat .num { display: block; font-size: 2rem; font-weight: 900; color: #fff; line-height: 1; font-family: 'JetBrains Mono', monospace; }
.stat .lbl { display: block; margin-top: 8px; font-size: .78rem; text-transform: uppercase; letter-spacing: 0; color: rgba(255, 255, 255, .78); }

.hero-scrollhint {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  opacity: .6;
}
.mouse { display: block; width: 22px; height: 36px; border: 2px solid rgba(255, 255, 255, .85); border-radius: 12px; position: relative; }
.wheel { position: absolute; top: 6px; left: 50%; transform: translateX(-50%); width: 3px; height: 8px; border-radius: 2px; background: rgba(255, 255, 255, .85); animation: wheelDown 1.6s ease-in-out infinite; }
@keyframes wheelDown { 0% { opacity: 0; transform: translate(-50%, 0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, 12px); } }

@media (max-width: 1024px) {
  .hero-title { font-size: 3.25rem; }
}
@media (max-width: 720px) {
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 54px); }
  .hero-title { font-size: 2.45rem; }
  .hero-sub { font-size: 1.04rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 42px; }
}

/* =================== SECTIONS =================== */
.section { padding: var(--section-pad) 24px; scroll-margin-top: calc(var(--nav-h) - 50px); }
.section-philosophy,
.section-team,
.section-services,
.section-applications,
.section-playground,
.section-policy,
.section-publications,
.section-contact {
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
}
.container { max-width: var(--max); margin: 0 auto; }
.section-contact .container { max-width: var(--max-contact); }
.section-header { max-width: 760px; margin: 0 auto 60px; text-align: center; }
.section-header .kicker {
  font-family: 'Montserrat', system-ui, -apple-system, Segoe UI, sans-serif; font-size: 2rem; font-weight: 600; letter-spacing: 0;
  text-transform: uppercase; color: var(--magenta); margin: 0 0 12px;
}
.section-title { font-size: 2rem; margin: 0 0 14px; }
.section-title.left { text-align: left; }
.section-intro { color: var(--text-soft); font-size: 1.1rem; line-height: 1.6; }
@media (max-width: 720px) { .section-title { font-size: 2rem; } }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

.kicker {
  font-family: 'Montserrat', system-ui, -apple-system, Segoe UI, sans-serif; font-size: 2em; font-weight: 600; letter-spacing: 0;
  text-transform: uppercase; color: var(--magenta); margin: 0 0 12px;
}

/* =================== ABOUT =================== */
.value-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pillar {
  background: var(--bg-soft); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 36px 28px;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  position: relative; overflow: hidden;
}
.pillar::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(255, 42, 109, .12), transparent 50%);
  opacity: 0; transition: opacity .35s ease;
}
.pillar:hover, .pillar:focus-within { transform: translateY(-6px); border-color: var(--magenta); box-shadow: var(--shadow-strong); }
.pillar:hover::before, .pillar:focus-within::before { opacity: 1; }
.pillar > * { position: relative; }
.pillar i {
  display: inline-flex; align-items: center; justify-content: center;
  width: 50px; height: 50px; border-radius: 12px;
  background: rgba(255, 42, 109, .12); color: var(--magenta); margin-bottom: 18px; font-size: 1.3rem;
}
.pillar h3 { font-size: 1.25rem; margin: 0 0 10px; }
.pillar p { color: var(--text-soft); margin: 0; }

@media (max-width: 820px) { .value-pillars { grid-template-columns: 1fr; } }

/* =================== PHILOSOPHY =================== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.pull-quote {
  margin: 0 0 22px; padding: 0 0 0 18px; border-left: 3px solid var(--magenta);
  font-size: 1.35rem; color: var(--text); font-weight: 600; line-height: 1.4; font-style: italic;
}
.pull-quote cite { display: block; margin-top: 10px; font-size: .9rem; color: var(--text-soft); font-style: normal; font-weight: 500; letter-spacing: 0; }
.philosophy-image {
  margin: 28px 0 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  cursor: zoom-in;
}
.philosophy-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(255, 42, 109, .12), transparent 50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease;
  z-index: 1;
}
.philosophy-image:hover,
.philosophy-image:focus-within {
  transform: translateY(-6px);
  border-color: var(--magenta);
  box-shadow: var(--shadow-strong);
}
.philosophy-image:hover::before,
.philosophy-image:focus-within::before {
  opacity: 1;
}
.philosophy-image img {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  height: auto;
}
.image-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 34px;
  background: rgba(2, 1, 53, .86);
}
.image-modal.is-open { display: flex; }
.image-modal img {
  display: block;
  max-width: min(1180px, 94vw);
  max-height: 88vh;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .42);
}
.image-modal-close {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
}
.image-modal-close:hover,
.image-modal-close:focus-visible {
  background: var(--magenta);
  border-color: var(--magenta);
}

.philosophy-card {
  background: var(--bg-soft); border: 1px solid var(--border-soft);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft);
}
.philosophy-card header {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; background: color-mix(in srgb, var(--bg) 60%, transparent);
  border-bottom: 1px solid var(--border-soft);
  font-family: 'JetBrains Mono', monospace; font-size: .85rem; color: var(--text-soft);
}
.dot-row { display: inline-flex; gap: 6px; }
.dot-row .d { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.dot-row .d:nth-child(1) { background: #ff5f57; }
.dot-row .d:nth-child(2) { background: #febc2e; }
.dot-row .d:nth-child(3) { background: #28c840; }
.philosophy-card pre {
  margin: 0; padding: 10px 22px;
  font-family: 'JetBrains Mono', monospace; font-size: .92rem; color: var(--text);
  background: transparent; line-height: 1.55; overflow-x: auto;
}
.philosophy-card .k { color: var(--magenta); font-weight: 600; }
.philosophy-card .f { color: var(--link-teal); }
.philosophy-card .s { color: var(--magenta); }
.philosophy-card .c { color: var(--text-soft); opacity: .7; }
.philo-chart { height: 200px; padding: 6px 22px 22px; position: relative; }

@media (max-width: 991.98px) {
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .section-title.left { text-align: left; }
}

/* =================== TEAM =================== */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; perspective: 1500px; }
.team-card {
  background: transparent; border: 0; border-radius: var(--radius);
  cursor: pointer; perspective: 1500px; height: 500px;
  transition: transform .35s ease;
}
.team-card:hover,
.team-card:focus-within {
  transform: translateY(-6px);
}
.card-inner {
  position: relative; width: 100%; height: 100%;
  transition: transform .9s cubic-bezier(.7, .05, .3, 1);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}
.team-card.flipped .card-inner { transform: rotateY(180deg); }
.card-front, .card-back {
  position: absolute; inset: 0; -webkit-backface-visibility: hidden; backface-visibility: hidden;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  border-radius: var(--radius); padding: 30px; background: var(--bg-soft);
  border: 1px solid var(--border-soft); box-shadow: var(--shadow-soft);
  display: flex; flex-direction: column; align-items: center; text-align: center;
  overflow: hidden;
  transition: box-shadow .35s ease, border-color .35s ease, opacity .18s ease, visibility .18s ease;
}
.card-front {
  transform: rotateY(0deg);
}
.team-card.flipped .card-front {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.team-card:not(.flipped) .card-back {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.team-card.flipped .card-back {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.card-front::before,
.card-back::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(255, 42, 109, .12), transparent 50%);
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease;
  z-index: 0;
}
.team-card:hover .card-front,
.team-card:hover .card-back,
.team-card:focus-within .card-front,
.team-card:focus-within .card-back {
  border-color: var(--magenta);
  box-shadow: var(--shadow-strong);
}
.team-card:hover .card-front::before,
.team-card:hover .card-back::before,
.team-card:focus-within .card-front::before,
.team-card:focus-within .card-back::before {
  opacity: 1;
}
.card-front > *,
.card-back > * {
  position: relative;
  z-index: 1;
}
.card-back {
  transform: rotateY(180deg);
  text-align: left;
  align-items: stretch;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan) rgba(0, 86, 121, .12);
}
.card-back::-webkit-scrollbar { width: 8px; }
.card-back::-webkit-scrollbar-track { background: rgba(0, 86, 121, .1); border-radius: 999px; }
.card-back::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 999px; }
.card-back p {
  font-size: .86rem;
  line-height: 1.5;
}
.bio-linkedin {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  margin: -6px 0 14px;
  padding: 7px 10px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  color: var(--brand-mid-blue);
  background: color-mix(in srgb, var(--brand-cyan) 12%, transparent);
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background .2s ease, transform .2s ease;
}
.bio-linkedin:hover,
.bio-linkedin:focus-visible {
  color: var(--magenta);
  border-color: var(--magenta);
  background: color-mix(in srgb, var(--magenta) 10%, transparent);
  transform: translateY(-1px);
}
.portrait {
  width: 154px; height: 154px; border-radius: 50%; overflow: hidden;
  flex: 0 0 154px;
  border: 4px solid var(--bg); margin-bottom: 18px;
  box-shadow: 0 0 0 3px rgba(255, 42, 109, .15);
  background: linear-gradient(135deg, rgba(5, 216, 231, .25), rgba(255, 42, 109, .25));
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.team-card[data-person="tom"] .portrait img,
.team-card[data-person="oli"] .portrait img,
.team-card[data-person="alex"] .portrait img { filter: grayscale(70%); }
.team-card h3 { font-size: 1.3rem; margin: 0 0 4px; }
.role { color: var(--magenta); font-weight: 700; text-transform: uppercase; letter-spacing: 0; font-size: .78rem; margin: 0 0 16px; }
.excerpt { color: var(--text-soft); line-height: 1.55; margin: 0; }
.cue { margin: auto 0 0; padding-top: 14px; color: var(--magenta); font-weight: 600; font-size: .9rem; }
.chip-list { list-style: none; padding: 0; margin: 14px 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chip-list li { background: rgba(5, 216, 231, .14); color: var(--text); padding: 4px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; }

@media (max-width: 1100px) { .team-grid { grid-template-columns: 1fr; } .team-card { height: auto; min-height: 500px; } }
@media (max-width: 540px) { .team-card { min-height: 520px; } }

/* =================== SERVICES =================== */
.services-tabs {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px;
}
.tab {
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px;
  background: var(--bg-soft); border: 1px solid var(--border-soft); border-radius: 999px;
  color: var(--text); font-family: inherit; font-weight: 600; font-size: .95rem;
  cursor: pointer; transition: all .25s ease;
}
.tab i { color: var(--text-soft); transition: color .25s ease; }
.tab:hover { border-color: var(--magenta); }
.tab.active { background: var(--magenta); color: #fff; border-color: var(--magenta); }
.tab.active i { color: #fff; }

.service-panels { position: relative; min-height: 360px; }
.panel {
  display: none; opacity: 0; transform: translateY(10px);
  grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center;
  background: var(--bg-soft); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow-soft);
  transition: opacity .4s ease, transform .4s ease;
  overflow: hidden;
}
.panel.active { display: grid; opacity: 1; transform: none; }
.panel-text,
.panel-visual { min-width: 0; }
.panel-text h3 { font-size: 1.5rem; margin: 0 0 14px; }
.panel-text > p { color: var(--text-soft); overflow-wrap: break-word; }
.check-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--text); min-width: 0; overflow-wrap: break-word; }
.check-list i { width: 22px; height: 22px; border-radius: 50%; background: var(--cyan); color: var(--navy); display: inline-flex; align-items: center; justify-content: center; font-size: .7rem; flex: 0 0 22px; margin-top: .18em; }
[data-theme="dark"] .check-list i { color: #050719; }

.panel-visual { background: var(--bg); border-radius: var(--radius); border: 1px solid var(--border-soft); padding: 16px; max-width: 100%; overflow: hidden; }
#panel-modelling .panel-visual,
#panel-data .panel-visual,
#panel-hta .panel-visual,
#panel-comms .panel-visual {
  background: rgb(255, 255, 255);
}
#panel-comms .panel-visual { padding: 10px; }

.vis-svg { display: block; width: 100%; height: auto; }
.comm-fa-symbol { color: var(--brand-mid-blue); }
.comm-fa-symbol path { fill: currentColor; }
.manuscript-symbol { color: var(--magenta); }
.ce-plane-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: #fff;
  padding: 0;
}
.ce-plane-svg { display: block; width: 100%; height: auto; }
.ce-plane-shell {
  fill: var(--bg-soft);
  stroke: var(--border-soft);
}
.ce-plane-frame {
  fill: color-mix(in srgb, var(--bg-soft) 74%, var(--bg) 26%);
  stroke: var(--border-strong);
}
.ce-plane-zone { fill: url(#cePlaneZone); }
.ce-plane-grid path {
  fill: none;
  stroke: var(--border-soft);
  stroke-width: 1;
}
.ce-plane-axes path {
  fill: none;
  stroke: color-mix(in srgb, var(--text) 46%, transparent);
  stroke-width: 1.4;
}
.ce-plane-threshold {
  fill: none;
  stroke: var(--magenta);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 7 7;
}
.ce-plane-dot { fill-opacity: .46; }
.ce-plane-dot.is-blue { fill: var(--brand-mid-blue); }
.ce-plane-dot.is-cyan { fill: var(--brand-light-blue); }
.ce-plane-dot.is-pink { fill: var(--magenta); }
.ce-plane-mean-halo { fill: var(--magenta); fill-opacity: .18; }
.ce-plane-mean { fill: var(--magenta); stroke: var(--bg); stroke-width: 3; }
.ce-plane-labels {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  fill: var(--text-soft);
}
.hta-badges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 12px; }
.hta-badge {
  display: flex; align-items: center; justify-content: center;
  padding: 18px 8px; text-align: center; background: var(--bg-soft);
  border: 1px solid var(--border-soft); border-radius: 10px;
  font-weight: 800; font-family: 'JetBrains Mono', monospace; color: var(--text);
  text-decoration: none; transition: all .25s ease;
}
.hta-badge:focus-visible { outline: 3px solid rgba(5, 216, 231, .35); outline-offset: 3px; }
.hta-badge:hover { background: var(--magenta); color: #fff; border-color: var(--magenta); transform: translateY(-2px); }

@media (max-width: 820px) { .panel { grid-template-columns: 1fr; padding: 28px; } }
@media (max-width: 540px) {
  .services-tabs { gap: 8px; margin-bottom: 30px; }
  .tab { max-width: 100%; padding: 10px 16px; font-size: .9rem; }
  .panel { padding: 22px; gap: 26px; }
  .panel-text h3 { font-size: 1.32rem; line-height: 1.15; }
  .panel-text > p { font-size: .98rem; line-height: 1.55; }
  .check-list { gap: 12px; }
  .check-list li { font-size: .98rem; line-height: 1.35; }
  .check-list i { width: 20px; height: 20px; flex-basis: 20px; font-size: .64rem; }
  .panel-visual { padding: 10px; }
  #panel-data .philosophy-card {
    max-width: 100%;
    overflow: hidden;
  }
  #panel-data .philosophy-card header {
    font-size: .78rem;
    padding: 10px 12px;
  }
  #panel-data .philosophy-card pre {
    overflow: hidden;
  }
  #panel-data .philosophy-card code {
    display: block;
    max-width: 100%;
    font-size: clamp(.48rem, 2.5vw, .68rem);
    line-height: 1.45;
    white-space: pre;
  }
  #panel-data .philo-chart {
    height: 150px;
    padding: 0 8px 14px;
  }
  .hta-badges {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 8px;
  }
  .hta-badge {
    min-width: 0;
    padding: 14px 6px;
    font-size: .86rem;
  }
}
@media (max-width: 390px) {
  .panel { padding: 18px; }
  .panel-text h3 { font-size: 1.22rem; }
  .panel-text > p,
  .check-list li { font-size: .92rem; }
  #panel-data .philosophy-card code { font-size: .46rem; }
  .hta-badges { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* =================== APPLICATIONS =================== */
.app-hero {
  padding-top: calc(var(--nav-h) + 70px);
}
.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.app-card {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  padding: 30px;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.app-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -35% 20%;
  height: 160px;
  background: radial-gradient(circle, rgba(5, 216, 231, .18), transparent 62%);
  pointer-events: none;
}
.app-card:hover {
  transform: translateY(-5px);
  border-color: var(--magenta);
  box-shadow: var(--shadow-strong);
}
.app-card > * {
  position: relative;
  z-index: 1;
}
.app-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  border-radius: var(--radius);
  background: rgba(255, 42, 109, .1);
  color: var(--magenta);
  font-size: 1.35rem;
}
.app-status {
  display: inline-flex;
  margin: 0 0 14px 10px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(5, 216, 231, .16);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
}
.app-card h2 {
  font-size: 1.35rem;
  margin: 0 0 12px;
}
.app-card p:last-child {
  margin: 0;
  color: var(--text-soft);
}
.app-playground .section-header {
  margin-bottom: 40px;
}
@media (max-width: 980px) {
  .app-grid { grid-template-columns: 1fr; }
  .app-card { min-height: auto; }
}

/* =================== POLICY =================== */
.policy-hero {
  padding-top: calc(var(--nav-h) + 70px);
}
.policy-container {
  max-width: 940px;
}
.policy-card {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 42px;
}
.policy-card h2 {
  margin: 34px 0 10px;
  font-size: 1.18rem;
}
.policy-card h2:first-of-type {
  margin-top: 24px;
}
.policy-card p,
.policy-card li {
  color: var(--text-soft);
  line-height: 1.65;
}
.policy-card p {
  margin: 0 0 16px;
}
.policy-card ul {
  margin: 0 0 18px;
  padding-left: 22px;
}
.policy-card strong {
  color: var(--text);
}
.policy-card a {
  color: var(--link-teal);
  font-weight: 600;
}
.policy-card a:hover {
  color: var(--magenta);
}
.policy-effective {
  color: var(--text);
}
@media (max-width: 640px) {
  .policy-card { padding: 28px 22px; }
}

/* =================== PLAYGROUND =================== */
.playground {
  display: grid; grid-template-columns: 360px 1fr; gap: 32px; align-items: stretch;
  background: var(--bg-soft); border: 1px solid var(--border-soft); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow-soft);
}
.playground-controls h3 { font-size: 1.2rem; margin: 0 0 20px; }
.control { margin-bottom: 18px; }
.control label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-weight: 600; font-size: .92rem; color: var(--text); margin-bottom: 6px;
}
.control label span { font-family: 'JetBrains Mono', monospace; color: var(--magenta); font-weight: 600; }
.control input[type="range"] {
  width: 100%; appearance: none; -webkit-appearance: none; height: 6px; border-radius: 4px;
  background: linear-gradient(to right, var(--cyan), var(--magenta));
  outline: none;
}
.control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--magenta); box-shadow: var(--shadow-soft); cursor: pointer;
}
.control input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%; background: var(--bg);
  border: 3px solid var(--magenta); cursor: pointer;
}
.readout { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 24px; }
.kpi {
  background: var(--bg); border: 1px solid var(--border-soft); border-radius: 10px;
  padding: 12px 14px;
}
.kpi-label { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: 0; color: var(--text-soft); }
.kpi-val { display: block; font-size: 1.2rem; font-weight: 700; color: var(--text); font-family: 'JetBrains Mono', monospace; margin-top: 4px; }
.readout .kpi:first-child { grid-column: 1 / -1; }
.readout .kpi:first-child .kpi-val { font-size: 1.6rem; color: var(--magenta); }

.playground-chart { background: var(--bg); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 20px; }
.playground-chart svg { width: 100%; height: auto; display: block; }
.playground-chart .caption { color: var(--text-soft); font-size: .85rem; margin: 10px 0 0; text-align: center; }

@media (max-width: 880px) { .playground { grid-template-columns: 1fr; } }

/* =================== PUBLICATIONS =================== */
.pub-controls {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; align-items: center;
  margin-bottom: 30px;
}
.search-wrap {
  flex: 1 1 320px; min-width: 260px; max-width: 480px; position: relative;
}
.search-wrap i {
  position: absolute; top: 50%; left: 16px; transform: translateY(-50%); color: var(--text-soft);
}
.search-wrap input {
  width: 100%; padding: 12px 16px 12px 44px; border-radius: 999px;
  border: 1px solid var(--border-soft); background: var(--bg-soft); color: var(--text);
  font-family: inherit; font-size: 1rem; transition: border-color .25s ease, box-shadow .25s ease;
}
.search-wrap input:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(5, 216, 231, 0.2); }

.filter-pills { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.pill {
  background: var(--bg-soft); border: 1px solid var(--border-soft); color: var(--text);
  font-family: inherit; font-size: .85rem; font-weight: 600;
  padding: 8px 14px; border-radius: 999px; cursor: pointer; transition: all .25s ease;
}
.pill:hover { border-color: var(--magenta); }
.pill.active { background: var(--navy); color: var(--bg); border-color: var(--navy); }
[data-theme="dark"] .pill.active { background: var(--cyan); color: #050719; border-color: var(--cyan); }

.pub-count { width: 100%; text-align: center; color: var(--text-soft); font-size: .9rem; margin: 0; }

.pub-reveal {
  --pub-collapsed-height: 260px;
  position: relative;
  max-height: var(--pub-collapsed-height);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 2px 10px 28px 2px;
  margin-right: -10px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan) rgba(0, 86, 121, .12);
  transition: max-height .45s ease;
}
.pub-reveal::-webkit-scrollbar { width: 8px; }
.pub-reveal::-webkit-scrollbar-track { background: rgba(0, 86, 121, .1); border-radius: 999px; }
.pub-reveal::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 999px; }
.pub-reveal::after {
  content: ""; position: absolute; left: 0; right: 18px; bottom: 0; height: 24px;
  pointer-events: none; opacity: 0; transition: opacity .25s ease;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0), var(--bg) 88%);
}
[data-theme="dark"] .pub-reveal::after {
  background: linear-gradient(to bottom, rgba(2, 1, 53, 0), var(--bg) 88%);
}
.pub-reveal.is-collapsed.is-overflowing::after { opacity: 1; }
.pub-reveal.is-expanded {
  max-height: none;
  overflow: visible;
  padding-bottom: 2px;
}
.pub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding-top: 10px;}
.pub-card {
  display: flex; flex-direction: column; padding: 22px;
  background: var(--bg-soft); border: 1px solid var(--border-soft); border-radius: var(--radius);
  color: var(--text); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  text-align: left; position: relative; overflow: hidden;
}
.pub-card:hover { transform: translateY(-4px); border-color: var(--magenta); box-shadow: var(--shadow-strong); color: var(--text); }
.pub-card h3 { font-size: 1rem; font-weight: 600; line-height: 1.4; color: var(--text); margin: 0 0 14px; }
.pub-card:hover h3 { color: var(--magenta); }
.pub-card .authors { font-size: .9rem; color: var(--text-soft); font-style: italic; margin: auto 0 12px; }
.pub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.pub-card .tag {
  align-self: flex-start; font-size: .72rem; 
  color: var(--magenta); background: rgba(255, 42, 109, .1);
  padding: 4px 10px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0;
}
.pub-card .tag-year { color: var(--brand-blue); background: rgba(0, 86, 121, .1); }
[data-theme="dark"] .pub-card .tag-year { color: var(--cyan); background: rgba(5, 216, 231, .12); }
.pub-card.hidden { display: none; }
.pub-empty { grid-column: 1 / -1; text-align: center; padding: 60px 0; color: var(--text-soft); }
.pub-actions {
  display: flex;
  justify-content: center;
  margin: 16px 0 14px;
}
.pub-actions.is-hidden { display: none; }
.pub-toggle i { transition: transform .25s ease; }
.pub-toggle[aria-expanded="true"] i { transform: rotate(180deg); }

@media (max-width: 991.98px) { .pub-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)    { .pub-grid { grid-template-columns: 1fr; } }

/* =================== CONTACT =================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-card {
  background: var(--bg-soft); border: 1px solid var(--border-soft); border-radius: var(--radius);
  padding: 36px; box-shadow: var(--shadow-soft);
}
.contact-card h3 { font-size: 1.3rem; margin: 0 0 22px; }

.form-trap {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  border: 0 !important;
  overflow: hidden !important;
}
.contact-form label {
  display: grid;
  grid-template-rows: auto auto 18px;
  gap: 6px;
  margin-bottom: 10px;
  font-size: .92rem;
  color: var(--text);
  text-align: left;
}
.label-text { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0; font-weight: 600; }
.label-main { display: inline-flex; align-items: baseline; gap: 4px; }
.label-text em { color: var(--magenta); font-style: normal; }
.char-count { font-family: 'JetBrains Mono', monospace; font-size: .78rem; color: var(--text-soft); font-weight: 500; }

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%; padding: 11px 16px; font-family: inherit; font-size: 1rem;
  color: var(--text); background: var(--bg); border-radius: 8px;
  border: 1px solid var(--border-strong); transition: border-color .25s ease, box-shadow .25s ease;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(5, 216, 231, 0.2);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form .invalid { border-color: var(--magenta); }
.field-error {
  display: block; min-height: 18px; font-size: .8rem; color: var(--magenta); font-weight: 500; margin-top: 0;
}
.form-success {
  margin: 18px 0 0; padding: 14px 16px; border-radius: 10px;
  background: rgba(40, 200, 64, .12); color: #1f9d3a; border: 1px solid rgba(40, 200, 64, .3);
  display: flex; align-items: center; gap: 10px;
}
.form-success[hidden] { display: none; }

.locations { color: var(--text-soft); margin: 0 0 18px; }
.locations strong { color: var(--text); }
.contact-list { list-style: none; margin: 0 0 20px; padding: 0; }
.contact-list li {
  display: flex; align-items: center; gap: 12px; padding: 10px 0;
  border-bottom: 1px solid var(--border-soft); color: var(--text-soft);
}
.contact-list li:last-child { border-bottom: 0; }
.contact-list i {
  width: 36px; height: 36px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(0, 86, 121, .12); color: var(--link-teal);
}
.map-responsive {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: var(--bg);
}
.map-responsive iframe {
  width: 100%;
  min-height: 360px;
  display: block;
}
.map-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-weight: 700;
  color: var(--link-teal);
}

@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

/* =================== FOOTER =================== */
.site-footer {
  padding: 40px 24px; border-top: 1px solid var(--border-soft);
  text-align: center; color: var(--text-soft); font-size: .92rem;
}
.footer-inner { display: flex; flex-direction: column; gap: 8px; align-items: center; }
.foot-left { display: inline-flex; align-items: center; gap: 10px; color: var(--text); }
.footer-logo {
  display: block;
  width: min(210px, 58vw);
  max-height: 38px;
  object-fit: contain;
}
.footer-logo-dark { display: none; }
[data-theme="dark"] .footer-logo-light { display: none; }
[data-theme="dark"] .footer-logo-dark { display: block; }
.footer-inner a { color: var(--link-teal); }
.footer-inner a:hover { color: var(--magenta); }