/* ===========================
   Gayatri — global variables
   =========================== */
:root{
  --bg: #0b1220;
  --bg-soft: #0e1830;
  --card: #111a33;
  --text: #e9eefb;
  --muted: #a9b5d1;
  --accent: #5aa0ff;
  --accent-2: #7ad1d3;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(0,0,0,.25);
  --nav-h: 64px;

  /* Carousel: allow full image, never crop */
  --carousel-max-h: 70vh; /* desktop/tablet default */
}

/* ==============
   Base / reset
   ============== */
* { box-sizing: border-box; }
html, body { margin:0; padding:0; }
img { display:block; max-width:100%; height:auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
body {
  font-family: 'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background:#0a0f1e;
  color:var(--text);
  line-height:1.5;
  overflow-x: hidden;
}
.container { width:min(1100px, 92%); margin-inline:auto; }

/* =======================
   Header / Navigation bar
   ======================= */
.site-nav{
  position:fixed;
  inset:0 auto auto 0;
  width:100%;
  height:var(--nav-h);
  z-index:50;
  backdrop-filter: blur(8px);
  background: linear-gradient(180deg, rgba(10,15,30,0.80), rgba(10,15,30,0.45));
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-inner{
  height:var(--nav-h);
  display:flex; align-items:center; gap:1rem;
}
.brand{
  display:flex; align-items:center; gap:.6rem;
  text-decoration:none; color:var(--text); font-weight:700;
}
.brand img{ height:52px; width:auto; }
.brand span{ letter-spacing:.2px; display:none; } /* logo alone */

.menu{
  margin-left:auto;
  display:flex; align-items:center; gap:1rem;
  list-style:none; padding:0; margin-block:0;
}
.menu a{
  color:var(--text);
  font-weight:600;
  padding:.5rem .6rem;
  border-radius:10px;
}
.menu a:hover{ background: rgba(255,255,255,.06); text-decoration:none; }

.nav-toggle{
  margin-left:auto; display:none;
  background:none; border:0; cursor:pointer;
}
.nav-toggle .bar{
  display:block; width:22px; height:2px; background:var(--text);
  margin:5px 0; border-radius:2px;
}

/* Mobile nav */
@media (max-width: 900px){
  .nav-toggle{ display:block; }
  .menu{
    position:absolute; left:0; right:0; top:100%;
    display:none; flex-direction:column; gap:.2rem;
    background: linear-gradient(180deg, rgba(10,15,30,.55), rgba(10,15,30,.35));
    backdrop-filter: blur(8px);
    border-bottom:1px solid rgba(255,255,255,.06);
    padding:.6rem 0 .8rem;
  }
  .menu.open{ display:flex; }
  .menu a{ display:block; text-align:center; font-size:1.1rem; padding:.7rem 1rem; }
}

/* ==========================
   Hero (fullscreen on home)
   ========================== */
.hero{
  position:relative;
  min-height:100vh;
  padding-top:var(--nav-h);
  display:grid; place-items:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover;
  filter:saturate(1.05) contrast(1.05) brightness(1);
  z-index:0;
}
.hero-overlay{
  position:absolute; inset:0; z-index:1;
  background:
    radial-gradient(1200px 600px at 70% 0%, rgba(90,160,255,.35), transparent 60%),
    linear-gradient(180deg, rgba(10,15,30,.40), rgba(10,15,30,.70) 70%);
}
.hero-inner{
  position:relative; z-index:2; text-align:center; padding: 6rem 0;
}
.hero h1{
  font-size: clamp(2rem, 2.3vw + 1.4rem, 3rem);
  line-height:1.15; margin:0 0 1rem;
}
.hero p{
  color: var(--muted);
  font-size: clamp(1rem, .6vw + .9rem, 1.1rem);
  margin: 0 0 1.6rem;
}
.btn{
  display:inline-block;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color:#071326; font-weight:800; padding:.8rem 1.1rem;
  border-radius:999px; box-shadow: var(--shadow);
}
.btn:hover{ filter: brightness(1.05); text-decoration:none; }

/* =============
   Sections
   ============= */
.section{ padding: clamp(2rem, 5vw, 4rem) 0; }
/* First section on non-home pages needs space below fixed header */
body:not(.home) .section:first-of-type{ padding-top: calc(var(--nav-h) + 1.2rem); }

/* ==========================
   Carousel — show full image
   ========================== */
.carousel{
  position:relative;
  overflow:hidden;              /* hide slide edges during transitions */
  background:transparent;       /* let pattern show around photos */
  border-radius: var(--radius);
  box-shadow:none;              /* no border/halo */
  width: 100%;
  margin: 0 auto;               /* center the carousel */
  max-width: 100%;              /* ensure no overflow */
  display: block;               /* ensure block-level centering */
  /* height is auto; slides will size themselves by image */
}

.carousel-track{
  display:flex;
  align-items:center;           /* vertically center images if heights differ */
  width: 100%;
  transition: transform .5s ease;
}

.slide{
  flex:0 0 100%;
  display:flex;
  justify-content:center;
  align-items:center;
  padding:0;                    /* clean edges */
  min-width: 100%;              /* ensure full width */
  background:transparent;
}

/* Never crop. Fit image within a responsive max height. */
.slide img{
  max-height: var(--carousel-max-h);
  max-width: 100%;
  height: auto;
  width: auto;
  object-fit: contain;          /* guarantee no cropping */
  border-radius: inherit;       /* match rounded container */
}

/* Mobile: reduce max height so full image fits on screen */
@media (max-width: 900px){
  :root{ --carousel-max-h: 58vh; }
}
@media (max-width: 600px){
  :root{ --carousel-max-h: 52vh; }
}

.carousel-prev, .carousel-next{
  position:absolute; top:50%; transform: translateY(-50%);
  background: rgba(0,0,0,.4); color:#fff; border:0;
  width:44px; height:44px; border-radius:50%;
  display:grid; place-items:center; cursor:pointer;
}
.carousel-prev{ left:.6rem; } .carousel-next{ right:.6rem; }
.carousel-prev:hover, .carousel-next:hover{ background: rgba(0,0,0,.6); }

/* =========================
   Contact band + map card
   ========================= */
.contact-band{
  background: linear-gradient(180deg, #0a1326, #0b1220);
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.contact-grid{
  display:grid; grid-template-columns: 1.1fr 1fr;
  gap: clamp(1rem, 3vw, 2rem); align-items: stretch;
}
@media (max-width: 900px){ .contact-grid{ grid-template-columns:1fr; } }

.contact-card, .map-card{
  background: var(--card);
  border:1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: clamp(1rem, 2.5vw, 1.6rem);
  box-shadow: var(--shadow);
}
#mapWrap{
  width:100%; height:320px;
  border-radius:12px; overflow:hidden;
}

/* ============
   People grid
   ============ */
.people-toolbar{ margin: 1rem 0 1.2rem; }

.input{
  width:100%; padding:.75rem .9rem; border-radius:12px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color:var(--text);
}
.input::placeholder{ color:var(--muted); }

.people-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
  gap: clamp(.8rem, 2vw, 1.2rem);
  padding-top: .6rem; /* keep cards off the header a bit */
}
.person-card{
  background: var(--card);
  border:1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  overflow:hidden; box-shadow: var(--shadow);
}
.person-card img{ width:100%; aspect-ratio: 4 / 5; object-fit: cover; }
.card-body{ padding:.8rem .9rem; }
.card-body h3{ margin: 0 0 .25rem; font-size:1.05rem; }
.muted{ color:var(--muted); font-size:.95rem; }
.card-link{ display:block; color:inherit; text-decoration:none; }
.card-link:hover .card-body h3{ text-decoration: underline; }

/* =========
   Person
   ========= */
.person-grid{
  display:grid; grid-template-columns: 1.2fr .8fr;
  gap: clamp(1rem, 3vw, 2rem); align-items:center;
}
@media (max-width: 900px){ .person-grid{ grid-template-columns:1fr; } }
.person-title{ font-size: clamp(1.8rem, 2.2vw + 1.2rem, 3rem); margin:.3rem 0 1rem; }
.person-text p{ color:var(--muted); font-size:clamp(.98rem, .4vw + .95rem, 1.1rem); line-height:1.6; }
.person-photo img{ border-radius:var(--radius); box-shadow: var(--shadow); }

/* =======
   Footer
   ======= */
.site-footer{ border-top:1px solid rgba(255,255,255,.06); background:#0a0f1e; }
.footer-inner{ padding:1.2rem 0; text-align:center; color:var(--muted); }

/* ===========
   Focus rings
   =========== */
:where(a,button){ outline:none; }
:where(a,button):focus-visible{
  outline:3px solid var(--accent); outline-offset:2px; border-radius:10px;
}

/* ==================
   Background pattern
   ================== */
:root{
  --pattern-img: url("../../assets/img/background.webp");
  --pattern-size: 480px auto;
}
body.patterned{
  background:
    var(--pattern-img) repeat,
    #0a0f1e;
  background-size: var(--pattern-size), auto;
}

/* Narrower person contact band */
.contact-band.is-person .container{ max-width:760px; }