/* =========================================================================
   Pixel/Retro Medical Theme
   ========================================================================= */

:root {
  --navy-950: #0b1424;
  --navy-900: #10192b;
  --navy-800: #16273f;
  --navy-700: #203355;
  --cyan-400: #7fe9e0;
  --cyan-300: #a6f2ec;
  --cyan-600: #34a89c;
  --mint-100: #eaf6f3;
  --mint-200: #d7f0ea;
  --paper: #f6faf9;
  --ink: #10192b;
  --ink-soft: #33465f;
  --red-cross: #e2544a;
  --pixel: 4px; /* base pixel-border unit */

  --font-pixel: 'Press Start 2P', monospace;
  --font-body: 'VT323', 'Courier New', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.5;
}

img { max-width: 100%; }

a { color: var(--cyan-600); }

/* ---------- pixel-art primitives ---------- */

/* Icons are single-color pixel SVGs applied as CSS masks (not <img>) so
   their fill tracks `background-color` per usage context — an SVG loaded
   via <img> is an isolated document and ignores the page's `currentColor`. */
.icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
  vertical-align: -6px;
  flex-shrink: 0;
}
.icon-inline { width: 16px; height: 16px; vertical-align: -2px; }
.icon-sm { width: 18px; height: 18px; }
.icon-lg { width: 40px; height: 40px; }
.icon-xl { width: 64px; height: 64px; }

.icon-lungs       { -webkit-mask-image: url('../images/icons/lungs.svg');       mask-image: url('../images/icons/lungs.svg'); }
.icon-stethoscope { -webkit-mask-image: url('../images/icons/stethoscope.svg'); mask-image: url('../images/icons/stethoscope.svg'); }
.icon-heartbeat   { -webkit-mask-image: url('../images/icons/heartbeat.svg');   mask-image: url('../images/icons/heartbeat.svg'); }
.icon-waveform    { -webkit-mask-image: url('../images/icons/waveform.svg');    mask-image: url('../images/icons/waveform.svg'); }
.icon-clipboard   { -webkit-mask-image: url('../images/icons/clipboard.svg');   mask-image: url('../images/icons/clipboard.svg'); }
.icon-chart       { -webkit-mask-image: url('../images/icons/chart.svg');       mask-image: url('../images/icons/chart.svg'); }
.icon-person      { -webkit-mask-image: url('../images/icons/person.svg');      mask-image: url('../images/icons/person.svg'); }
.icon-mail        { -webkit-mask-image: url('../images/icons/mail.svg');        mask-image: url('../images/icons/mail.svg'); }
.icon-cross       { -webkit-mask-image: url('../images/icons/cross.svg');       mask-image: url('../images/icons/cross.svg'); }
.icon-play        { -webkit-mask-image: url('../images/icons/play.svg');        mask-image: url('../images/icons/play.svg'); }

.pixel-border {
  border: none;
  box-shadow:
    0 0 0 var(--pixel) var(--navy-900),
    inset 0 0 0 2px var(--paper);
}

.pixel-btn {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  letter-spacing: 1px;
  color: var(--navy-900);
  background: var(--cyan-400);
  border: none;
  padding: 14px 18px;
  cursor: pointer;
  box-shadow:
    inset -4px -4px 0 0 var(--cyan-600),
    inset 4px 4px 0 0 var(--cyan-300),
    0 0 0 4px var(--navy-900);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  image-rendering: pixelated;
}
.pixel-btn:hover { background: var(--cyan-300); }
.pixel-btn:active {
  box-shadow:
    inset 4px 4px 0 0 var(--cyan-600),
    inset -4px -4px 0 0 var(--cyan-300),
    0 0 0 4px var(--navy-900);
  transform: translateY(2px);
}
.pixel-btn-lg { font-size: 0.85rem; padding: 18px 26px; }

.pixel-list { padding-left: 1.4em; }
.pixel-list li { margin-bottom: 0.5em; }
.pixel-list li::marker { color: var(--cyan-600); }

/* =========================================================================
   SCREEN 1 — LANDING / TITLE SCREEN
   ========================================================================= */

#landing {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.5s steps(6), visibility 0.5s;
}
#landing.landing-hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.landing-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  image-rendering: pixelated;
  filter: saturate(1.05) brightness(0.55);
  transform: scale(1.02);
}

.landing-bg::after { content: ""; }

#landing::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,20,36,0.55) 0%, rgba(11,20,36,0.85) 100%);
}

.landing-scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    rgba(0,0,0,0.15) 0px,
    rgba(0,0,0,0.15) 1px,
    transparent 2px,
    transparent 4px
  );
  mix-blend-mode: multiply;
  opacity: 0.5;
}

.landing-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--paper);
  padding: 24px;
}

.landing-kicker {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  color: var(--cyan-300);
  letter-spacing: 2px;
  margin-bottom: 18px;
}

.landing-title {
  font-family: var(--font-pixel);
  font-size: clamp(2rem, 8vw, 4.5rem);
  margin: 0 0 18px;
  color: var(--paper);
  text-shadow:
    4px 4px 0 var(--navy-900),
    0 0 24px rgba(127,233,224,0.6);
}

.landing-subtitle {
  font-family: var(--font-body);
  font-size: 1.4rem;
  color: var(--mint-200);
  margin: 0 0 36px;
}

.landing-hint {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--cyan-300);
  margin-top: 22px;
  animation: blink 1.2s steps(2, jump-none) infinite;
}

@keyframes blink {
  50% { opacity: 0.15; }
}

/* =========================================================================
   SCREEN 2 — MAIN SITE
   ========================================================================= */

#site[hidden] { display: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--navy-900);
  box-shadow: 0 4px 0 var(--navy-950);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--cyan-300);
  text-decoration: none;
}
.brand .icon { color: var(--cyan-400); }

.nav-toggle { display: none; }

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.main-nav a {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--mint-200);
  text-decoration: none;
  padding: 6px 2px;
  border-bottom: 3px solid transparent;
}
.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--cyan-300);
  border-bottom-color: var(--cyan-400);
}

main { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.hero-recap {
  text-align: center;
  padding: 64px 20px 40px;
}
.hero-recap .icon-xl { color: var(--cyan-600); }
.hero-recap h1 {
  font-family: var(--font-pixel);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  color: var(--navy-900);
  margin: 18px 0 10px;
}
.hero-recap p {
  font-size: 1.4rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 auto;
}

.content-section {
  padding: 56px 0;
  scroll-margin-top: 84px;
}
.content-section.alt {
  background: var(--mint-100);
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
  border-top: var(--pixel) solid var(--mint-200);
  border-bottom: var(--pixel) solid var(--mint-200);
}
.content-section > h2 {
  font-family: var(--font-pixel);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--navy-900);
  margin: 0 0 24px;
}
.content-section > h2 .icon { color: var(--red-cross); }

.subheading {
  font-family: var(--font-pixel);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 40px 0 16px;
  color: var(--navy-900);
}

.panel {
  background: var(--paper);
  border: none;
  box-shadow: 0 0 0 var(--pixel) var(--navy-900);
  padding: 24px 28px;
}
.panel p { font-size: 1.3rem; margin: 0 0 14px; }
.panel p:last-child { margin-bottom: 0; }

.panel-inline {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.panel-inline .icon-lg { color: var(--cyan-600); margin-top: 4px; }
.panel-inline p { margin: 0 0 6px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.pixel-card {
  background: var(--paper);
  box-shadow: 0 0 0 var(--pixel) var(--navy-900);
  padding: 22px;
  text-align: left;
}
.pixel-card .icon-lg { color: var(--cyan-600); margin-bottom: 12px; }
.pixel-card h3 {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--navy-900);
  margin: 0 0 10px;
  line-height: 1.4;
}
.pixel-card p { font-size: 1.2rem; margin: 0; color: var(--ink-soft); }

.member-card { text-align: center; }
.member-card .icon-lg { color: var(--navy-700); }
.member-photo {
  display: block;
  width: 84px;
  height: 84px;
  margin: 0 auto 14px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 var(--pixel) var(--navy-900);
}
.advisor-photo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  margin-top: 4px;
  box-shadow: 0 0 0 var(--pixel) var(--navy-900);
}
.member-role {
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  color: var(--cyan-600);
  margin: 0 0 12px !important;
}

.video-placeholder {
  background: var(--navy-900);
  color: var(--cyan-300);
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 14px;
  box-shadow: 0 0 0 4px var(--navy-700);
}
.video-placeholder span {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  text-align: center;
  padding: 0 10px;
}
.demo-card p { font-size: 1.2rem; color: var(--ink-soft); }

.table-scroll {
  overflow-x: auto;
  margin-bottom: 32px;
  box-shadow: 0 0 0 var(--pixel) var(--navy-900);
}
.status-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  font-size: 1.15rem;
}
.status-table th,
.status-table td {
  border: 2px solid var(--navy-800);
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
}
.status-table th {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--navy-900);
  background: var(--mint-100);
  white-space: nowrap;
}
.status-table td a { margin-right: 2px; }

/* ---------- footer ---------- */

.site-footer {
  background: var(--navy-900);
  color: var(--mint-200);
  margin-top: 60px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 20px 28px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 28px;
}
.footer-col h4 {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  color: var(--cyan-300);
  margin: 0 0 14px;
}
.footer-col a {
  display: block;
  color: var(--mint-200);
  text-decoration: none;
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.footer-col a:hover { color: var(--cyan-300); }
.footer-col p { font-size: 1.1rem; color: var(--mint-200); margin: 0; }

.footer-copy {
  text-align: center;
  font-size: 0.95rem;
  color: var(--navy-700);
  border-top: 2px solid var(--navy-800);
  padding: 16px 0 24px;
  margin: 0;
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 10px;
    padding-top: 10px;
  }
  .main-nav.open { display: flex; }
  .header-inner { align-items: center; }

  .landing-subtitle { font-size: 1.15rem; padding: 0 10px; }
}