/* Indraprastha Institute of Design - 2026 design layer (loaded after style.css) */
:root{
  --ink:#0b1f33; --ink-2:#17324d; --muted:#5b6b7a; --line:#e3e9ee;
  --teal:#0f9d8a; --teal-d:#0a6f63; --lime:#8cc63f; --amber:#ffb703; --amber-d:#e59f00;
  --bg:#f5f8f7; --card:#fff; --radius:16px;
  --shadow:0 1px 2px rgba(11,31,51,.06),0 8px 24px rgba(11,31,51,.08);
  --font:'Plus Jakarta Sans','Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
body.iid-has-bar{padding-bottom:64px}
@media(min-width:992px){body.iid-has-bar{padding-bottom:0}}
.iid-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.iid h1,.iid h2,.iid h3,.iid h4{font-family:var(--font);color:var(--ink);letter-spacing:-.02em;margin:0}
.iid a{text-decoration:none}

/* buttons */
.iid-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:999px;font-weight:700;font-size:15px;border:2px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;line-height:1.1;font-family:var(--font)}
.iid-btn:hover{transform:translateY(-1px)}
.iid-btn-primary{background:var(--amber);color:var(--ink)!important;box-shadow:0 6px 18px rgba(255,183,3,.35)}
.iid-btn-primary:hover{background:var(--amber-d)}
.iid-btn-ghost{border-color:rgba(255,255,255,.55);color:#fff!important}
.iid-btn-ghost:hover{background:rgba(255,255,255,.12)}
.iid-btn-dark{background:var(--ink);color:#fff!important}
.iid-btn-teal{background:var(--teal);color:#fff!important}
.iid-btn-block{width:100%}

/* header */
.iid-top{background:var(--ink);color:#cfe3ee;font-size:13px}
.iid-top .iid-wrap{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:16px}
.iid-top a{color:#cfe3ee}
.iid-top a:hover{color:#fff}
.iid-top .iid-toplinks{display:flex;gap:20px}
@media(max-width:991px){.iid-top{display:none}}
.iid-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.iid-header .iid-wrap{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.iid-brand{display:flex;align-items:center;gap:12px;color:var(--ink)!important}
.iid-brand img{height:44px;width:auto}
.iid-brand .t1{font-weight:800;font-size:19px;letter-spacing:.02em;line-height:1}
.iid-brand .t1 sup{font-size:9px;font-weight:600}
.iid-brand .t2{font-size:10.5px;letter-spacing:.22em;font-weight:600;color:var(--muted);margin-top:3px}
.iid-brand .t3{font-size:11.5px;color:var(--teal-d);font-weight:700;margin-top:2px;line-height:1.2}
.iid-nav{display:flex;align-items:center;gap:4px}
.iid-nav>a:not(.iid-btn),.iid-nav .iid-dd>button{font:600 15px var(--font);color:var(--ink);padding:10px 14px;border-radius:10px;background:none;border:0;cursor:pointer}
.iid-nav>a:not(.iid-btn):hover,.iid-nav .iid-dd>button:hover{background:var(--bg);color:var(--teal-d)}
.iid-dd{position:relative}
.iid-dd .iid-menu{display:none;position:absolute;left:-120px;top:100%;width:min(860px,92vw);background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;grid-template-columns:repeat(3,1fr);gap:22px 28px;margin-top:6px}
.iid-dd.open .iid-menu{display:grid}
.iid-menu h4{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--teal-d);margin:0 0 8px}
.iid-menu a{display:block;padding:5px 0;font-size:14px;color:var(--ink-2);font-weight:500}
.iid-menu a:hover{color:var(--teal-d)}
.iid-header .iid-btn{padding:11px 18px;font-size:14px}
.iid-burger{display:none;background:none;border:0;font-size:26px;line-height:1;padding:8px;cursor:pointer;color:var(--ink)}
@media(max-width:991px){
  .iid-burger{display:block}
  .iid-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px 20px;flex-direction:column;align-items:stretch;max-height:calc(100vh - 72px);overflow:auto}
  .iid-nav.open{display:flex}
  .iid-dd .iid-menu{position:static;width:auto;border:0;box-shadow:none;padding:6px 6px 10px;grid-template-columns:1fr;margin:0}
  .iid-header .iid-btn{margin-top:8px}
}

/* hero */
.iid-hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(15,157,138,.45),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(140,198,63,.25),transparent 60%),var(--ink);color:#fff;padding:64px 0 72px}
.iid-hero .iid-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.iid-eyebrow{display:inline-block;font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--lime);margin-bottom:14px}
.iid-hero h1{color:#fff;font-size:clamp(34px,5vw,58px);line-height:1.05;font-weight:800}
.iid-hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--lime),#37d6c0);-webkit-background-clip:text;background-clip:text;color:transparent}
.iid-hero p.lead{color:#cfe3ee;font-size:18px;line-height:1.6;margin:18px 0 26px;max-width:560px}
.iid-cta-row{display:flex;flex-wrap:wrap;gap:12px}
.iid-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.iid-chips span{font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#e6f1f7}
.iid-form{background:#fff;color:var(--ink);border-radius:20px;padding:22px 24px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.iid-form h3{font-size:22px;font-weight:800}
.iid-form .sub{color:var(--muted);font-size:14px;margin:4px 0 16px}
.iid-form label{display:block;font-size:12.5px;font-weight:700;margin:10px 0 4px!important;line-height:1.2;color:var(--ink-2)}
.iid-form input,.iid-form select{display:block;margin:0!important;width:100%;height:44px;border:1.5px solid var(--line);border-radius:12px;padding:0 14px;font:500 15px var(--font);background:#fff;color:var(--ink);transition:border .15s,box-shadow .15s}
.iid-form input:focus,.iid-form select:focus{outline:0;border-color:var(--teal);box-shadow:0 0 0 4px rgba(15,157,138,.15)}
.iid-form .iid-btn{margin-top:18px}
.iid-form small{display:block;margin-top:10px;color:var(--muted);font-size:12px;text-align:center}
@media(max-width:991px){.iid-hero{padding:40px 0 48px}.iid-hero .iid-wrap{grid-template-columns:1fr;gap:32px}}

/* sections */
.iid-sec{padding:76px 0}
.iid-sec.alt{background:var(--bg)}
.iid-sec .head{max-width:680px;margin-bottom:38px}
.iid-sec .head.center{margin-left:auto;margin-right:auto;text-align:center}
.iid-sec h2{font-size:clamp(28px,3.6vw,40px);font-weight:800;line-height:1.1}
.iid-sec .head p{color:var(--muted);font-size:17px;line-height:1.6;margin-top:12px}
.iid-grid{display:grid;gap:20px}
.iid-grid.g4{grid-template-columns:repeat(4,1fr)}
.iid-grid.g3{grid-template-columns:repeat(3,1fr)}
.iid-grid.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:991px){.iid-grid.g4,.iid-grid.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.iid-grid.g4,.iid-grid.g3,.iid-grid.g2{grid-template-columns:1fr}.iid-sec{padding:52px 0}}
.iid-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;color:var(--ink)!important}
a.iid-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.iid-card .tag{align-self:flex-start;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-d);background:rgba(15,157,138,.1);padding:5px 10px;border-radius:999px}
.iid-card h3{font-size:24px;font-weight:800;margin:14px 0 6px}
.iid-card p{color:var(--muted);font-size:14.5px;line-height:1.55;flex:1}
.iid-card .more{margin-top:16px;font-weight:700;font-size:14px;color:var(--teal-d)}
.iid-card.feat{background:linear-gradient(160deg,var(--ink) 0%,var(--ink-2) 100%);border:0}
.iid-card.feat h3,.iid-card.feat p{color:#fff}.iid-card.feat p{color:#b9cfdd}
.iid-card.feat .tag{background:rgba(255,255,255,.12);color:var(--lime)}.iid-card.feat .more{color:var(--amber)}
.iid-ico{width:46px;height:46px;border-radius:12px;background:rgba(15,157,138,.12);color:var(--teal-d);display:grid;place-items:center;font-size:22px;font-weight:800}
.iid-step{position:relative;padding-top:6px}
.iid-step .n{font-size:44px;font-weight:800;color:rgba(15,157,138,.25);line-height:1}
.iid-step h3{font-size:20px;margin:6px 0 8px}
.iid-step p{color:var(--muted);font-size:14.5px;line-height:1.6}
.iid-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 28px}
.iid-list li{position:relative;padding-left:30px;font-weight:600;font-size:15.5px;line-height:1.4}
.iid-list li:before{content:"\2713";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:var(--teal);color:#fff;font-size:13px;display:grid;place-items:center}
@media(max-width:600px){.iid-list{grid-template-columns:1fr}}
.iid-split{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
@media(max-width:991px){.iid-split{grid-template-columns:1fr;gap:28px}}
.iid-faq details{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;padding:0 20px}
.iid-faq summary{cursor:pointer;font-weight:700;font-size:16.5px;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.iid-faq summary::-webkit-details-marker{display:none}
.iid-faq summary:after{content:"+";font-size:22px;color:var(--teal-d);line-height:1}
.iid-faq details[open] summary:after{content:"\2212"}
.iid-faq details p{color:var(--muted);line-height:1.65;padding:0 0 18px;margin:0}
.iid-band{background:linear-gradient(120deg,var(--teal-d),var(--teal));color:#fff;padding:56px 0}
.iid-band .iid-wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.iid-band h2{color:#fff;font-size:clamp(24px,3vw,34px)}
.iid-band p{color:#d8f3ee;margin:6px 0 0}

/* footer */
.iid-footer{background:var(--ink);color:#b9cfdd;padding:60px 0 28px;font-size:14.5px}
.iid-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
@media(max-width:991px){.iid-footer .cols{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.iid-footer .cols{grid-template-columns:1fr}}
.iid-footer h4{color:#fff;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 14px}
.iid-footer a{color:#b9cfdd;display:block;padding:4px 0}
.iid-footer a:hover{color:#fff}
.iid-footer .iid-brand{color:#fff!important}.iid-footer .iid-brand .t2{color:#9bb4c5}.iid-footer .iid-brand .t3{color:var(--lime)}
.iid-footer .about{margin-top:16px;line-height:1.65}
.iid-footer .legal{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;font-size:12.5px;line-height:1.6;color:#8aa3b5}
.iid-footer .legal .row2{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:10px}

/* mobile sticky bar */
.iid-bar{display:none}
@media(max-width:991px){
  .iid-bar{display:grid;grid-template-columns:1fr 1fr 1.3fr;position:fixed;left:0;right:0;bottom:0;z-index:1100;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(11,31,51,.1)}
  .iid-bar a{display:flex;align-items:center;justify-content:center;gap:6px;height:56px;font-weight:700;font-size:14px;color:var(--ink)}
  .iid-bar a.demo{background:var(--amber)}
  .iid-bar a.wa{color:#128c4a}
  .back-top{display:none!important}
}