/* =========================================================
   Intelligent Health Solutions Lab — Theme (Temple Red)
   ========================================================= */

/* ============ THEME TOKENS (colors, radii, spacing) ============ */
:root{
  /* Brand */
  --primary:#990000;   /* Temple red */
  --accent:#333333;    /* charcoal */
  --text:#111827;      /* near-black */
  --muted:#6b7280;     /* gray-500 */
  --bg:#ffffff;
  --bg-alt:#f6f7fb;

  /* UI */
  --radius:14px;
  --shadow:0 8px 24px rgba(0,0,0,.08);
  --ring:0 0 0 3px rgba(153,0,0,.25);

  /* Layout */
  --maxw:1100px;
  --space:clamp(14px,1.6vw,22px);

  /* Global rhythm */
  --page-top: clamp(2rem, 5vw, 3rem);   /* space from navbar to first content */
  --section-y: clamp(2rem, 5vw, 3rem);  /* section vertical padding */

  /* Motion */
  --menu-speed: 220ms;
  --menu-ease: cubic-bezier(.2,.8,.2,1);
}

/* ============ BASE / RESET ============ */
*{ box-sizing:border-box }
html{ scroll-behavior:smooth }
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after {
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition:none !important;
    scroll-behavior:auto !important;
  }
}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;

  /* Sticky footer layout */
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
img{ max-width:100%; height:auto; border-radius:10px; display:block }
a{ color:var(--primary); text-decoration:none }
a:hover{ text-decoration:underline }
:focus-visible{ outline:none; box-shadow:var(--ring) }

/* Main grows to push footer down */
main{ flex:1; display:block; padding-top:var(--page-top) }
/* Hero pages: no gap between sticky nav and hero banner */
body.home main{ padding-top:0 }
/* Avoid margin-collapsing */
main > :last-child{ margin-bottom:0 }

/* ============ LAYOUT HELPERS ============ */
.container{ max-width:var(--maxw); margin-inline:auto; padding-inline: clamp(1rem,3vw,2rem) }
.section{ padding: var(--section-y) 0 }
.section h2{ margin:0 0 .75rem; font-size:clamp(1.5rem,1.2rem + 1.6vw,2.1rem); color:var(--primary) }
.lead{ color:var(--muted); max-width:70ch }

/* ============ HEADER / NAV ============ */
header{
  position:sticky; top:0; z-index:10;
  background:#fff;
  backdrop-filter: blur(10px);
  border-bottom:1px solid #eee;
  box-shadow:var(--shadow);
}
.header-top{
  background:var(--primary);
  color:#fff;
  padding:.62rem clamp(1rem,3vw,2rem);
  font-size:.85rem;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.header-brand-link{
  display:inline-flex;
  align-items:center;
  flex-shrink:0;
  text-decoration:none;
}
.header-brand-logo{
  height:4.2rem;
  width:auto;
  display:block;
  border-radius:0;
}
.temple-brand{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:.85rem;
  margin-left:auto;
}
.temple-logo-icon{
  height:68px;
  width:auto;
  flex-shrink:0;
  display:block;
  border-radius:0;
}
.temple-text{
  line-height:1.3;
  font-size:1.05rem;
  font-weight:600;
  flex-shrink:0;
  text-align:right;
}
.nav-container{
  display:flex; align-items:center; justify-content:center;
  padding:.85rem clamp(1rem,3vw,2rem);
  position:relative;
}
.logo-section{
  flex-shrink:0;
}
.brand-logo{
  font-size:1.5rem; font-weight:700; color:var(--primary);
  text-decoration:none;
  display:block;
}
nav{
  display:flex; align-items:center; justify-content:center;
  gap:1rem; flex:1;
  position:relative;
}
.brand{ display:none }

.navlinks{
  display:flex; gap:1rem; align-items:center;
  flex-wrap:nowrap;
}
.navlinks a{
  padding:.45rem .7rem; border-radius:10px; color:var(--muted);
  transition: background .2s, color .2s, transform .2s;
  font-weight:600;
  font-size:.95rem;
  white-space:nowrap;
  flex:0 0 auto;
}
.navlinks .nav-inline-logo{
  display:none;
}
.navlinks .nav-inline-logo-img{
  display:none;
}
.navlinks a:hover{
  background:rgba(153,0,0,.08); color:var(--primary); transform: translateY(-1px);
  text-decoration:none;
}
.navlinks .nav-inline-logo:hover{
  background:transparent;
  transform:none;
}
.navlinks a.active,
.navlinks a[aria-current="page"]{
  background:rgba(153,0,0,.1);
  color:var(--primary);
  border-radius:8px;
  padding:.45rem .9rem;
}

.social-icons{
  display:flex; gap:1rem; align-items:center; flex-shrink:0;
}
.social-icons a{
  font-size:1.1rem; color:var(--muted); transition:color .2s;
}
.social-icons a:hover{ color:var(--primary); text-decoration:none; }

/* ============ MOBILE NAV TOGGLE ============ */
.nav-toggle{
  display:none;
  position:absolute;
  right: clamp(1rem, 3vw, 2rem);
  top: 50%;
  transform: translateY(-50%);
  border:0;
  background:transparent;
  padding:.4rem;
  cursor:pointer;
  border-radius:10px;
  color:var(--primary);
}
.nav-toggle:focus-visible{ box-shadow: var(--ring); }

/* icon swap */
.nav-toggle svg.close-icon { display:none; }
.nav-toggle.open svg.hamburger-icon { display:none; }
.nav-toggle.open svg.close-icon { display:inline; }

/* Mobile behavior (≤640px) */
@media (max-width:640px){
  .header-top{
    padding:.45rem 1rem;
    gap:.75rem;
  }
  .header-brand-logo{ height:3rem; }
  .temple-logo-icon{ height:44px; }
  .temple-text{ font-size:.7rem; line-height:1.2; font-weight:600; }

  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  
  .social-icons{ display:none; }

  /* Base: hidden */
  .navlinks{
    display:flex;
    position:absolute;
    left:0; right:0;
    top:100%;
    margin-top:.35rem;
    flex-direction:column;
    align-items:center;
    gap:.25rem;

    /* animated dropdown */
    background:#fff;
    border-top:1px solid #eee;
    box-shadow:0 10px 24px rgba(0,0,0,.08);

    /* start closed */
    opacity:0;
    transform: translateY(-6px);
    pointer-events:none;
    max-height:0;
    overflow:hidden;
    transition:
      opacity var(--menu-speed) var(--menu-ease),
      transform var(--menu-speed) var(--menu-ease),
      max-height var(--menu-speed) var(--menu-ease);
  }

  /* Open state */
  .navlinks.open{
    opacity:1;
    transform: translateY(0);
    pointer-events:auto;
    max-height:320px; /* enough for all links */
    padding:.5rem 0 .75rem;
  }

  .navlinks a{ padding:.55rem .9rem; width:max-content; color:var(--text) }
  .navlinks .nav-inline-logo{
    display:none;
  }
  .navlinks .nav-inline-logo-img{ display:none; }
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  background:var(--primary); color:#fff; border:1px solid transparent;
  padding:.7rem 1rem; border-radius:999px; font-weight:600; box-shadow:var(--shadow);
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn:hover{ transform:translateY(-2px) }
.btn.secondary{ background:#fff; color:var(--primary); border-color:var(--primary) }

/* ============ HOMEPAGE HERO ============ */
.hero{
  background: linear-gradient(135deg, rgba(153,0,0,.5) 0%, rgba(80,20,20,.6) 100%), url('assets/img/coord-placeholder.jpg') center/cover no-repeat;
  background-blend-mode:multiply;
  min-height:500px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  color:#fff;
  padding:4rem clamp(1rem,3vw,2rem);
  border-bottom:1px solid #eee;
}
.hero-content{
  max-width:700px;
}
.hero h1{ 
  margin:0 0 .5rem; 
  font-size:clamp(2.2rem,1rem + 4vw,3.5rem); 
  color:#fff;
  font-weight:900;
  letter-spacing:-.02em;
}
.hero-subtitle{ 
  color:rgba(255,255,255,.95); 
  font-size:clamp(1rem,1.1rem + 1.5vw,1.4rem);
  margin:0 0 1rem;
  font-weight:500;
  line-height:1.4;
}
.hero-tagline{
  color:rgba(255,255,255,.9);
  font-size:.95rem;
  margin:1.5rem 0 0;
  font-weight:600;
  letter-spacing:.05em;
}
.hero-logos{
  margin-top:2rem;
  display:flex;
  gap:2rem;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
}
.logo-small{
  max-height:60px;
  width:auto;
  opacity:.95;
}

/* ============ COMPONENTS ============ */
.card{
  background:#fff; border:1px solid #eee; border-radius:var(--radius);
  box-shadow:var(--shadow); overflow:hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover{ transform: translateY(-4px); box-shadow: 0 14px 30px rgba(0,0,0,.12) }

/* Optional: comfy padding for all cards (remove inline paddings) */
/* .card{ padding:1rem } */

.grid{ display:grid; gap:1rem; grid-template-columns:repeat(3,1fr) }
.tag{
  display:inline-block; padding:.25rem .55rem; font-size:.78rem; font-weight:700;
  border:1px solid #ddd; border-radius:999px; color:var(--accent); background:var(--bg-alt);
}

/* People */
.people{ display:grid; gap:1rem; grid-template-columns:repeat(3, minmax(0,1fr)) }
.person{ text-align:center; padding:1rem }
.person img{
  width:140px; height:140px; object-fit:cover; border-radius:50%;
  display:block; margin:0 auto .75rem;
}
.person h3{ margin:.5rem 0 .25rem }
.person .role{ color:var(--muted); font-size:.92rem }

/* Publications */
.publist{ display:grid; gap:.75rem; margin-top:.75rem }
.pubitem{ background:#fff; border:1px solid #eee; border-radius:12px; padding:.9rem 1rem }
.pubitem .meta{ color:var(--muted); font-size:.95rem }

/* Social cards */
.social{ padding:0 }
.social .social-row{ display:flex; gap:.85rem; align-items:center; padding:1rem }
.icon{ width:28px; height:28px; color:var(--primary); flex:0 0 28px }

/* ============ FOOTER ============ */
footer{
  background: linear-gradient(135deg, #990000 0%, #4a0d0d 50%, #2b2b2b 100%);
  color:#fff; padding:2rem 0; margin-top:2rem;
  text-align:left; text-shadow:0 1px 2px rgba(0,0,0,.4);
}
footer .small{ color:#e6e6e6 }
footer a{
  color:#fff; text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.6);
}
footer a:hover{ border-bottom-color:#fff }
.footer-divider{
  height:1px; width:100%;
  background: rgba(0,0,0,.1); /* neutral line above footer if used outside footer */
  margin-top:2rem;
}

/* ============ UTILITIES ============ */
.small{ font-size:.9rem; color:#666 }
.muted{ color:var(--muted) }
.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0 }

/* ============ RESPONSIVE ============ */
@media (max-width:1000px){
  .hero .wrap{ grid-template-columns:1fr }
  .grid{ grid-template-columns:1fr 1fr }
  .people{ grid-template-columns:1fr 1fr }
}
@media (max-width:640px){
  .grid, .people{ grid-template-columns:1fr }
  .stats{ grid-template-columns:1fr 1fr; gap:.75rem }
}
/* =========================================================
   MOBILE-ONLY POLISH (≤768px) — desktop remains unchanged
   ========================================================= */
@media (max-width: 768px) {

  /* 1) Global rhythm + no side-scroll */
  html, body { overflow-x: hidden; }
  *, *::before, *::after { box-sizing: border-box; }
  section, header, footer { padding: 1.25rem clamp(1rem, 5vw, 1.5rem); }
  h1 { font-size: clamp(1.7rem, 6.2vw, 2.2rem); line-height: 1.15; }
  h2 { font-size: clamp(1.25rem, 5.2vw, 1.6rem); line-height: 1.2; }
  p   { line-height: 1.55; }

  /* 2) Hero spacing (reduces big desktop paddings on phones) */
  .hero, .page-hero, .masthead {
    padding-top: 1.25rem !important;
    padding-bottom: 1.25rem !important;
  }

  /* 3) MOBILE MENU — left-align, comfy spacing, safe-area padding */
  /* These selectors intentionally broad to match common patterns */
  .mobile-menu, .menu-panel, .drawer, .offcanvas, nav .menu {
    text-align: left;
    padding: 12px 16px;
    padding-bottom: max(28px, env(safe-area-inset-bottom)); /* keeps “Connect” off iOS bar */
    border-radius: 12px;
    background: var(--bg-alt);
    box-shadow: var(--shadow);
    width: min(92vw, 420px);
    max-height: calc(100dvh - 1rem);
    overflow-y: auto;
    left: 0; right: auto;
  }
  .mobile-menu a, .menu-panel a, .drawer a, .offcanvas a, nav .menu a {
    display: block;
    padding: 12px 4px;
    margin: 2px 0;
    line-height: 1.25;
    font-size: 1.05rem;
    color: var(--text);
    border-radius: 8px;
    text-decoration: none;
  }
  .mobile-menu a:last-child,
  .menu-panel a:last-child,
  .drawer a:last-child,
  .offcanvas a:last-child,
  nav .menu a:last-child { margin-bottom: 10px; }
  .mobile-menu a:hover, .menu-panel a:hover, .drawer a:hover, .offcanvas a:hover, nav .menu a:hover,
  .mobile-menu .active, .menu-panel .active, .drawer .active, .offcanvas .active, nav .menu .active {
    background: rgba(153,0,0,.08);
    color: var(--primary);
    padding-left: .5rem;
  }
  .hamburger, .menu-toggle, .nav-toggle, button[aria-label*="menu"] {
    width: 44px; height: 44px;  /* easier tap target */
  }

  /* 4) Cards/tiles: stack nicely with breathing room */
  .cards, .card-grid, .grid, .tiles {
    display: grid;
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .card, .tile, .panel, .feature, .box {
    width: 100%;
    margin: 0;
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,.06);
  }

  /* 5) Chips/tags wrap cleanly */
  .chip, .tag, .badge {
    display: inline-flex;
    align-items: center;
    padding: .35rem .6rem;
    margin: .25rem .35rem .25rem 0;
    border-radius: 999px;
    line-height: 1;
    white-space: nowrap;
  }

  /* 6) CTA button: full width on mobile, consistent color */
  .cta-button, a.button-primary {
    width: 100%;
    text-align: center;
    padding: 1rem;
    font-size: 1.1rem;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
  }

  /* 7) Footer: center + keep long lines tidy */
  footer { text-align: center; font-size: .95rem; letter-spacing: .1px; }
  footer p { margin: .4rem 0; }
  footer .nowrap { white-space: nowrap; }

  /* 8) Anchors don’t hide under fixed header */
  html { scroll-padding-top: 72px; }

  /* 9) Prevent media overflow */
  img, svg, video, iframe { max-width: 100%; height: auto; display: block; }
}

/* =========================================================
   OPTIONAL UTILITIES
   ========================================================= */
.nowrap { white-space: nowrap; } /* use on the footer department line */

/* =========================================
   FEATURED PROJECTS — Desktop spacing + tags
   ========================================= */
@media (min-width: 769px) {
  /* grid container: even gaps + responsive layout */
  .projects, .featured-projects, .cards, .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem; /* even space between cards */
    align-items: start;
    margin-top: 1.5rem;
  }

  /* each card */
  .project-card, .card, .tile {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
  }

  /* subtle hover lift */
  .project-card:hover, .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 22px rgba(0,0,0,0.08);
  }

  /* headings inside cards */
  .project-card h3, .card h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
    color: var(--text);
  }

  /* description text */
  .project-card p, .card p {
    font-size: 0.97rem;
    line-height: 1.5;
    color: var(--muted);
    flex-grow: 1;
    margin-bottom: 1rem;
  }

  /* tag container */
  .project-card .tags, .card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
  }

  /* TAGS — Temple Red outline style */
  .project-card .tag,
  .card .tag,
  .project-card .chip,
  .card .chip {
    background: transparent;
    color: var(--primary);
    border: 1.8px solid var(--primary);
    border-radius: 999px;
    padding: 0.35rem 0.9rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1;
    display: inline-block;
    width: auto;           /* no full-width pills */
    flex: 0 0 auto;
    white-space: nowrap;
    transition: all 0.2s ease-in-out;
  }

  /* hover fills Temple Red */
  .project-card .tag:hover,
  .card .tag:hover,
  .project-card .chip:hover,
  .card .chip:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(153, 0, 0, 0.15);
  }
}
/* ===== End of stylesheet ===== */