/* ─────────────────────────────────────────────
   BASE — reset, custom properties, keyframes,
           scroll-reveal, typography utilities,
           shared buttons, and layout helpers.
───────────────────────────────────────────── */

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

/* ── SKIP LINK ── */
.skip-link{position:absolute;top:-100%;left:1rem;z-index:9999;padding:10px 18px;background:var(--blue);color:#fff;border-radius:0 0 8px 8px;font-weight:700;font-size:14px;text-decoration:none;transition:top .15s}
.skip-link:focus{top:0}

/* ── CUSTOM PROPERTIES ── */
:root{
  /* Brand colours */
  --blue:       #2e6be6;
  --blue-dk:    #1a3a9e;
  --blue-lt:    #e8f0fe;
  --blue-modal: #1a56db;
  --sky:        #dbeafe;
  --gold:       #f59e0b;
  --white:      #fff;

  /* Greens (FMGE cleared badges) */
  --green:    #22c55e;
  --green-dk: #16a34a;
  --green-lt: #f0fdf4;

  /* Neutrals */
  --text:      #0f172a;
  --text-form: #334155;
  --muted:     #64748b;
  --muted-lt:  #94a3b8;
  --border:    #cbd5e1;

  /* Gradients */
  --grad:       linear-gradient(135deg,#0d1f5c 0%,#2e6be6 55%,#3b82f6 100%);
  --grad-modal: linear-gradient(135deg,var(--blue-modal),#3b82f6);
  --grad-gold:  linear-gradient(135deg,#f59e0b,#d97706);

  /* Spacing scale */
  --sp-xs:  8px;
  --sp-sm:  16px;
  --sp-md:  24px;
  --sp-lg:  32px;
  --sp-xl:  48px;
  --sp-2xl: 64px;
  --sp-3xl: 80px;
  --sp-4xl: 90px;

  /* Border-radius scale */
  --r-sm:   10px;
  --r-md:   14px;
  --r-lg:   20px;
  --r-xl:   28px;
  --r-pill: 40px;
}

/* ── BASE ── */
html{scroll-behavior:smooth}
html,body{overflow-x:hidden;max-width:100%}
body{font-family:'Inter',sans-serif;color:var(--text);background:#fff}

/* ── FOCUS VISIBLE (keyboard nav) ── */
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}
a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
/* suppress focus ring for mouse users */
:focus:not(:focus-visible){outline:none}

/* ── REDUCED MOTION ── */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1!important;transform:none!important}
}

/* ── SCROLL REVEAL ── */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s ease}
.reveal.left{transform:translateX(-50px)}
.reveal.right{transform:translateX(50px)}
.reveal.visible{opacity:1;transform:none}

/* ── PARTICLES ── */
#particles{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}

/* ── ANIMATIONS ── */
@keyframes orbFloat{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.05)}}
@keyframes badgePop{from{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(74,222,128,.7)}50%{box-shadow:0 0 0 8px rgba(74,222,128,0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes cardSlide{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}
@keyframes floatCard{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
@keyframes waBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ── SECTION BASE ── */
section{padding:var(--sp-4xl) max(5%,calc((100% - 1280px) / 2));position:relative}

/* ── SECTION HEADING UTILITIES ── */
.stag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--blue-lt);color:var(--blue);
  font-size:12px;font-weight:700;padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:var(--sp-sm);letter-spacing:.3px;text-transform:uppercase;
}
.stag i{font-size:11px}
.s-title{font-size:clamp(26px,3vw,44px);font-weight:900;color:var(--text);margin-bottom:14px;line-height:1.15}
.s-title span{color:var(--blue)}
.s-sub{font-size:16px;color:var(--muted);max-width:580px;line-height:1.75}
.s-head{margin-bottom:var(--sp-xl)}
.s-head.cx{text-align:center}
.s-head.cx .s-sub{margin:0 auto}

/* ── BRAND ACCENT ── */
.brand-accent{text-align:center;font-size:1rem;font-weight:800;letter-spacing:.15em;color:var(--blue);margin-top:6px}

/* ── ICON SPACING UTILITIES ── */
.icon-mr{margin-right:6px}
.icon-mr-sm{margin-right:4px}

/* ── BUTTONS ── */
.btn-gold{
  background:var(--grad-gold);color:#fff;
  padding:15px 30px;border-radius:var(--r-sm);font-size:15px;font-weight:700;
  text-decoration:none;box-shadow:0 6px 20px rgba(245,158,11,.45);
  transition:transform .2s,box-shadow .2s;display:flex;align-items:center;gap:8px;
}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(245,158,11,.55)}
.btn-gold-inline{display:inline-flex;margin-top:10px}

.btn-ghost{
  background:rgba(255,255,255,.1);color:#fff;border:1.5px solid rgba(255,255,255,.4);
  padding:15px 30px;border-radius:var(--r-sm);font-size:15px;font-weight:700;
  text-decoration:none;backdrop-filter:blur(6px);
  transition:all .2s;display:flex;align-items:center;gap:8px;
}
.btn-ghost:hover{background:rgba(255,255,255,.2)}

.btn-sub{
  width:100%;background:var(--grad);color:#fff;border:none;
  padding:14px;border-radius:var(--r-sm);font-size:15px;font-weight:800;
  cursor:pointer;transition:all .2s;font-family:inherit;
  box-shadow:0 6px 20px rgba(26,86,219,.35);
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.btn-sub:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(26,86,219,.45)}

.btn-w{
  background:#fff;color:var(--blue);padding:15px 32px;border-radius:var(--r-sm);
  font-size:15px;font-weight:800;text-decoration:none;
  box-shadow:0 6px 20px rgba(0,0,0,.15);transition:all .2s;
  display:inline-flex;align-items:center;
}
.btn-w:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.2)}

.btn-ol{
  background:rgba(255,255,255,.1);color:#fff;border:2px solid rgba(255,255,255,.5);
  padding:15px 32px;border-radius:var(--r-sm);font-size:15px;font-weight:800;
  text-decoration:none;transition:all .2s;backdrop-filter:blur(4px);
  display:inline-flex;align-items:center;
}
.btn-ol:hover{background:rgba(255,255,255,.2)}

.form-note{text-align:center;font-size:11px;color:var(--muted);margin-top:10px;display:flex;align-items:center;justify-content:center;gap:4px}

/* ── SCROLL ROWS ── */
.scroll-row{
  display:flex;flex-wrap:nowrap;gap:18px;
  overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.scroll-row::-webkit-scrollbar{display:none}
.scroll-row--faculty{
  justify-content:safe center;max-width:1100px;
  margin:0 auto 48px;padding:8px 4px 12px;
}
.scroll-row--toppers{
  justify-content:safe center;width:100%;
  padding:10px 40px 20px;box-sizing:border-box;
}