:root{
  --bg:#0B1220;
  --bg-card:#131C30;
  --bg-card-hi:#1B2740;
  --line:rgba(255,255,255,0.09);
  --text:#F1F4FA;
  --text-dim:#93A0B8;
  --gold:#F2B84B;
  --teal:#47D6C4;
  --rose:#E8836C;
  --gold-glow:rgba(242,184,75,0.35);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:
    radial-gradient(ellipse 900px 500px at 15% -5%, rgba(242,184,75,0.09), transparent 60%),
    radial-gradient(ellipse 900px 600px at 90% 10%, rgba(71,214,196,0.08), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:'Noto Sans Bengali','Space Grotesk',sans-serif;
  overflow-x:hidden;
  min-height:100vh;
}
.display{font-family:'Baloo Da 2',sans-serif;font-weight:700;}
.mono{font-family:'Space Grotesk',sans-serif;}
.eyebrow{font-family:'Space Grotesk',sans-serif;letter-spacing:0.2em;text-transform:uppercase;font-size:12px;color:var(--teal);font-weight:600;}
a{color:inherit;text-decoration:none;}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}

/* NAV */
.topnav{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 8vw;border-bottom:1px solid var(--line);
  position:sticky;top:0;background:rgba(11,18,32,0.85);backdrop-filter:blur(10px);z-index:50;
}
.topnav .brand{font-family:'Baloo Da 2',sans-serif;font-weight:700;font-size:18px;}
.topnav .brand span{color:var(--gold);}
.topnav nav{display:flex;gap:22px;font-size:14px;color:var(--text-dim);}
.topnav nav a:hover{color:var(--text);}
.topnav nav a.active{color:var(--gold);}
@media(max-width:640px){.topnav nav{gap:14px;font-size:12.5px;}}

section{max-width:1000px;margin:0 auto;padding:6vh 8vw;}
.section-title{font-size:clamp(22px,3vw,32px);margin-bottom:8px;}
.section-sub{color:var(--text-dim);font-size:15px;max-width:620px;margin-bottom:36px;line-height:1.8;}

.hero{padding:8vh 8vw 6vh;max-width:1000px;margin:0 auto;}
.hero .eyebrow{opacity:0;animation:fadeUp .8s ease forwards .1s;margin-bottom:18px;}
.hero h1{font-size:clamp(28px,4.6vw,46px);line-height:1.28;opacity:0;animation:fadeUp 1s ease forwards .25s;}
.hero h1 .hl{color:var(--gold);}
.hero p{margin-top:18px;max-width:640px;color:var(--text-dim);font-size:16px;line-height:1.85;opacity:0;animation:fadeUp 1s ease forwards .45s;}

/* NAV CARDS (index) */
.navcards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px;}
@media(max-width:800px){.navcards{grid-template-columns:1fr;}}
.navcard{
  background:var(--bg-card);border:1px solid var(--line);border-radius:16px;padding:26px;
  display:block;transition:transform .3s ease, border-color .3s ease, background .3s ease;
}
.navcard:hover{transform:translateY(-4px);border-color:var(--gold);background:var(--bg-card-hi);}
.navcard .tag{font-family:'Space Grotesk',sans-serif;font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;margin-bottom:12px;display:inline-block;padding:4px 10px;border-radius:999px;}
.navcard.a .tag{color:var(--rose);background:rgba(232,131,108,0.12);}
.navcard.b .tag{color:var(--gold);background:rgba(242,184,75,0.12);}
.navcard.c .tag{color:var(--teal);background:rgba(71,214,196,0.12);}
.navcard h3{font-size:20px;margin-bottom:10px;}
.navcard p{color:var(--text-dim);font-size:14px;line-height:1.7;margin-bottom:16px;}
.navcard .stat{font-family:'Space Grotesk',sans-serif;font-size:13px;color:var(--text);border-top:1px dashed var(--line);padding-top:12px;}
.navcard .go{margin-top:14px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;}
.navcard.a .go{color:var(--rose);}
.navcard.b .go{color:var(--gold);}
.navcard.c .go{color:var(--teal);}

/* GRID / MINI CARDS */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
@media(max-width:760px){.grid3,.grid2{grid-template-columns:1fr;}}
.mini{background:var(--bg-card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;}
.mini .mt{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;}
.mini ul{list-style:none;}
.mini li{position:relative;padding-left:16px;margin-bottom:8px;font-size:14px;line-height:1.65;color:var(--text);}
.mini li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:1px;background:currentColor;transform:rotate(45deg);}

.note{margin-top:16px;font-size:13.5px;color:var(--text-dim);border-left:2px solid var(--gold);padding-left:14px;line-height:1.75;}
.warn{border-left-color:var(--rose);}
.ok{border-left-color:var(--teal);}

/* TIMELINE */
.timeline-wrap{position:relative;padding-left:2px;}
.spine{position:absolute;left:27px;top:0;bottom:0;width:2px;background:var(--line);}
.spine-fill{position:absolute;left:27px;top:0;width:2px;background:linear-gradient(180deg,var(--gold),var(--teal));height:0%;transition:height .1s linear;box-shadow:0 0 16px var(--gold-glow);}
.tl-item{position:relative;padding-left:76px;margin-bottom:52px;opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.tl-item.in{opacity:1;transform:translateY(0);}
.node{position:absolute;left:0;top:2px;width:56px;height:56px;border-radius:50%;background:var(--bg-card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:13px;color:var(--text-dim);transition:.4s ease;}
.tl-item.in .node{border-color:var(--gold);color:var(--gold);box-shadow:0 0 0 6px rgba(242,184,75,.08);}
.tl-item h2{font-size:clamp(19px,2.4vw,25px);margin-bottom:12px;}
.tl-item .goal{color:var(--text-dim);font-size:15px;margin-bottom:16px;line-height:1.8;max-width:640px;}

/* TABLE */
.tbl{width:100%;border-collapse:collapse;margin-top:10px;font-size:14px;}
.tbl th,.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
.tbl th{color:var(--text-dim);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;font-family:'Space Grotesk',sans-serif;}
.tbl td{color:var(--text);}
.tbl tr:last-child td{border-bottom:none;background:rgba(242,184,75,0.05);}
.scrollx{overflow-x:auto;border:1px solid var(--line);border-radius:14px;padding:6px 4px;}

.day-card{background:var(--bg-card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:12px;}
.day-card .dname{font-family:'Space Grotesk',sans-serif;color:var(--teal);font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:10px;}
.slot{display:flex;gap:12px;font-size:14px;color:var(--text-dim);padding:5px 0;border-top:1px dashed var(--line);}
.slot:first-of-type{border-top:none;}
.slot .t{color:var(--text);min-width:100px;font-family:'Space Grotesk',sans-serif;font-size:12.5px;flex-shrink:0;}

.closing{text-align:center;padding:10vh 8vw 14vh;}
.glow-line{width:80px;height:3px;margin:0 auto 24px;background:linear-gradient(90deg,var(--gold),var(--teal));border-radius:2px;}
.closing h2{font-size:clamp(24px,3.6vw,36px);margin-bottom:16px;}
.closing p{color:var(--text-dim);font-size:16px;max-width:600px;margin:0 auto;line-height:1.9;}

/* LOCK OVERLAY */
#lockOverlay{
  position:fixed;inset:0;z-index:999;
  background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  padding:24px;
}
.lockbox{
  width:100%;max-width:360px;text-align:center;
  border:1px solid var(--line);border-radius:18px;
  background:var(--bg-card);padding:36px 28px;
}
.lockbox .lock-icon{font-size:30px;margin-bottom:14px;}
.lockbox h2{font-size:19px;margin-bottom:8px;}
.lockbox p{color:var(--text-dim);font-size:13.5px;margin-bottom:22px;line-height:1.7;}
.lockbox input{
  width:100%;padding:13px 16px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,0.03);color:var(--text);font-size:16px;
  font-family:'Space Grotesk',sans-serif;letter-spacing:2px;text-align:center;
  margin-bottom:14px; outline:none;
}
.lockbox input:focus{border-color:var(--gold);}
.lockbox button{
  width:100%;padding:13px;border-radius:10px;border:none;
  background:linear-gradient(90deg,var(--gold),#e0a53d);
  color:#1a1200;font-weight:700;font-size:15px;cursor:pointer;
  font-family:'Noto Sans Bengali',sans-serif;
}
.lockbox button:active{transform:scale(0.98);}
.lockbox .err{color:var(--rose);font-size:13px;margin-top:12px;height:16px;}
.shake{animation:shake .4s ease;}
@keyframes shake{
  0%,100%{transform:translateX(0);}
  25%{transform:translateX(-8px);}
  75%{transform:translateX(8px);}
}
body.locked > *:not(#lockOverlay){display:none;}

@media(prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important;}}