/* Styles for Home page, headers and footers.  */
:root{
  --deep:#0A2A66;      /* deep blue: headers, footer, dark sections */
  --bright:#1670E0;    /* bright blue: buttons, links, highlights */
  --ink:#0d1b36;
  --mist:#eef4fc;
  --line:#d5e2f5;
  --white:#fff;
  --head:'Sora',system-ui,sans-serif;
  --body:'Nunito Sans',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);line-height:1.65;font-size:17px;background:var(--white)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--bright);outline-offset:3px}
.wrap{width:min(1180px,92%);margin-inline:auto}
h1,h2,h3{font-family:var(--head);line-height:1.15;letter-spacing:-.01em}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);color:var(--deep);margin-bottom:.6em}
section{padding:88px 0}
.btn{display:inline-block;padding:14px 28px;border-radius:6px;font-weight:700;font-family:var(--head);font-size:.95rem;transition:background .2s,color .2s}
.btn-primary{background:var(--bright);color:#fff}
.btn-primary:hover{background:#0f5ec2}
.btn-ghost{border:2px solid #fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--deep)}
.btn-line{border:2px solid var(--bright);color:var(--bright)}
.btn-line:hover{background:var(--bright);color:#fff}

/* header */
.top{background:var(--deep);color:#cfe0ff;font-size:.85rem}
.top .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:8px 0}
header{background:var(--deep);position:sticky;top:0;z-index:50;border-top:1px solid rgba(255,255,255,.12)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
header .logo img{height:46px;width:auto}
nav ul{list-style:none;display:flex;gap:6px;align-items:center}
nav li{position:relative}
nav a.l{display:block;padding:10px 14px;color:#fff;font-weight:600;font-size:.95rem;border-radius:6px}
nav a.l:hover{background:rgba(255,255,255,.1)}
nav .sub{position:absolute;top:100%;left:0;min-width:240px;background:#fff;border-radius:8px;box-shadow:0 14px 40px rgba(10,42,102,.25);padding:8px;display:none}
nav li:hover>.sub,nav li:focus-within>.sub{display:block}
nav .sub a{display:block;padding:9px 12px;border-radius:5px;color:var(--ink);font-size:.92rem}
nav .sub a:hover{background:var(--mist);color:var(--bright)}
nav .sub b{display:block;padding:8px 12px 2px;color:var(--bright);font-family:var(--head);font-size:.8rem}
.cta-nav{background:var(--bright);color:#fff!important}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.8rem;cursor:pointer}

/* hero */
.hero{position:relative;color:#fff;padding:0;background:var(--deep)}
.hero-bg{position:absolute;inset:0;background:url(https://www.aitconline.org/wp-content/uploads/2021/05/img5.jpg) center/cover}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,var(--deep) 12%,rgba(10,42,102,.82) 48%,rgba(22,112,224,.35) 100%)}
.hero .wrap{position:relative;z-index:2;padding:130px 0 120px;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:end}
.hero h1{font-size:clamp(2.3rem,5.4vw,4.2rem);font-weight:800;max-width:14ch}
.hero p{font-size:1.2rem;max-width:52ch;margin:22px 0 34px;color:#dbe8ff}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.facts{display:grid;gap:14px}
.fact{background:rgba(255,255,255,.1);backdrop-filter:blur(6px);border-left:4px solid var(--bright);padding:18px 22px;border-radius:0 8px 8px 0}
.fact strong{font-family:var(--head);font-size:2rem;display:block;line-height:1.1}
.fact span{color:#cfe0ff;font-size:.95rem}

/* what we do */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.pillar{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.pillar img{height:210px;width:100%;object-fit:cover}
.pillar div{padding:26px}
.pillar h3{font-size:1.25rem;color:var(--deep);margin-bottom:10px}
.intro{max-width:62ch;margin-bottom:44px;color:#3b4a66}

/* vision mission */
.vm{background:var(--mist)}
.vm .grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.vm article{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center;background:#fff;border-radius:12px;padding:22px;border:1px solid var(--line)}
.vm img{height:150px;width:150px;object-fit:cover;border-radius:10px}
.vm h3{color:var(--bright);margin-bottom:8px;font-size:1.3rem}

/* courses */
.courses{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.course{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:box-shadow .2s}
.course:hover{box-shadow:0 12px 30px rgba(10,42,102,.15)}
.course img{height:180px;width:100%;object-fit:cover}
.course div{padding:22px;display:flex;flex-direction:column;flex:1}
.course h3{font-size:1.1rem;color:var(--deep);margin-bottom:8px}
.course p{font-size:.95rem;color:#3b4a66;flex:1}
.course a{margin-top:16px;color:var(--bright);font-weight:700;font-family:var(--head);font-size:.9rem}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.tags a{padding:8px 16px;border:1px solid var(--line);border-radius:99px;font-size:.9rem;font-weight:600;color:var(--deep);background:#fff}
.tags a:hover{background:var(--bright);color:#fff;border-color:var(--bright)}

/* facilities band */
.elearn{background:var(--deep);color:#fff;position:relative;overflow:hidden}
.elearn .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.elearn h2{color:#fff}
.elearn p{color:#cfe0ff;margin-bottom:30px}
.elearn img{border-radius:14px;box-shadow:20px 20px 0 var(--bright);aspect-ratio:4/3;object-fit:cover;width:100%}
.elearn .btns{display:flex;gap:14px;flex-wrap:wrap}

/* testimonials */
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tcard{background:var(--mist);border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:20px;border-top:4px solid var(--bright)}
.tcard:first-child{grid-column:span 1}
.tcard p{flex:1;color:#22304d}
.who{display:flex;align-items:center;gap:14px}
.who img{width:52px;height:52px;border-radius:50%;object-fit:cover}
.who b{font-family:var(--head);font-size:.95rem;color:var(--deep);display:block;line-height:1.2}
.who span{font-size:.85rem;color:#5a6a88}

/* news */
.news{background:var(--mist)}
.ngrid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.post{display:grid;grid-template-columns:200px 1fr;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.post img{height:100%;width:100%;object-fit:cover;min-height:180px}
.post div{padding:24px}
.post time{font-size:.85rem;color:#5a6a88}
.post h3{font-size:1.15rem;color:var(--deep);margin:6px 0 10px}
.post:hover h3{color:var(--bright)}

/* partners */
.partners{padding:56px 0}
.partners h2{font-size:1.3rem;text-align:center;margin-bottom:28px}
.logos{display:flex;flex-wrap:wrap;gap:20px 44px;justify-content:center;align-items:center}
.logos img{height:48px;width:auto;max-width:130px;object-fit:contain;filter:grayscale(1);opacity:.7;transition:.2s}
.logos img:hover{filter:none;opacity:1}

/* footer */
footer{background:var(--deep);color:#cfe0ff;padding:70px 0 0}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px}
footer img.fl{height:50px;width:auto;margin-bottom:18px}
footer h3{color:#fff;font-size:1rem;margin-bottom:16px}
footer li{list-style:none;margin-bottom:9px;font-size:.95rem}
footer a:hover{color:#fff;text-decoration:underline}
.soc{display:flex;gap:10px;margin-top:18px}
.soc a{border:1px solid rgba(255,255,255,.3);padding:6px 12px;border-radius:99px;font-size:.85rem}
.soc a:hover{background:var(--bright);border-color:var(--bright);text-decoration:none}
.legal{border-top:1px solid rgba(255,255,255,.15);padding:20px 0;font-size:.85rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media(max-width:1000px){
  .courses{grid-template-columns:1fr 1fr}
  .hero .wrap,.elearn .wrap{grid-template-columns:1fr}
  .pillars,.tgrid{grid-template-columns:1fr}
  .vm .grid,.ngrid{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr 1fr}
  .burger{display:block}
  nav{position:absolute;top:78px;left:0;right:0;background:var(--deep);display:none;padding:12px 4% 24px;max-height:80vh;overflow:auto}
  nav.open{display:block}
  nav ul{flex-direction:column;align-items:stretch}
  nav .sub{position:static;display:block;box-shadow:none;background:rgba(255,255,255,.06);margin-left:10px}
  nav .sub a{color:#dbe8ff}
  nav .sub b{color:#8fc0ff}
}
@media(max-width:620px){
  section{padding:60px 0}
  .courses,footer .cols{grid-template-columns:1fr}
  .vm article,.post{grid-template-columns:1fr}
  .vm img{width:100%;height:180px}
  .hero .wrap{padding:80px 0}
  .top .wrap{justify-content:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* inner pages */
.page-hero{background:linear-gradient(100deg,var(--deep) 30%,#0f4aa3 100%);color:#fff;padding:70px 0 64px;position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(2rem,4.4vw,3.2rem);font-weight:800;max-width:20ch}
.page-hero p{color:#cfe0ff;max-width:60ch;margin-top:16px;font-size:1.1rem}
.crumbs{font-size:.88rem;color:#9ec3ff;margin-bottom:18px}
.crumbs a:hover{color:#fff;text-decoration:underline}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev>:first-child{order:2}
.split img{border-radius:14px;width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:16px 16px 0 var(--mist)}
.split h2{margin-bottom:.5em}
.split p{margin-bottom:1em;color:#2b3a57;max-width:60ch}
.meta{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 26px}
.meta span{background:var(--mist);border-left:4px solid var(--bright);padding:10px 16px;border-radius:0 8px 8px 0;font-size:.92rem}
.meta b{display:block;font-family:var(--head);color:var(--deep);font-size:.95rem}
.alt{background:var(--mist)}
.jump{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tool{background:#fff;border:1px solid var(--line);border-top:4px solid var(--bright);border-radius:12px;padding:26px}
.tool h3{color:var(--deep);margin-bottom:10px;font-size:1.2rem}
.tool p{color:#3b4a66;font-size:.97rem}
.cta{background:var(--deep);color:#fff;padding:64px 0;text-align:center}
.cta h2{color:#fff;margin-bottom:.4em}
.cta p{color:#cfe0ff;max-width:56ch;margin:0 auto 26px}
.cta .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.check{list-style:none;margin:0 0 1em}
.check li{padding-left:28px;position:relative;margin-bottom:8px;color:#2b3a57}
.check li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;border-radius:50%;background:var(--bright)}
@media(max-width:1000px){.split{grid-template-columns:1fr;gap:34px}.split.rev>:first-child{order:0}.tools{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.tools{grid-template-columns:1fr}.page-hero{padding:50px 0}}

nav .sub a.indent{padding-left:28px;font-size:.88rem}
/* carousel */
.slider{position:relative;color:#fff;background:var(--deep);overflow:hidden}
.slides{position:relative;min-height:600px}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .9s ease,visibility .9s}
.slide.on{opacity:1;visibility:visible}
.slide .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.slide::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,var(--deep) 14%,rgba(10,42,102,.85) 50%,rgba(22,112,224,.3) 100%)}
.slide .wrap{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;padding:70px 0 90px}
.slide h1,.slide h2.t{font-family:var(--head);font-size:clamp(2.1rem,5vw,3.8rem);font-weight:800;line-height:1.1;max-width:16ch;color:#fff;margin:0}
.slide p{font-size:1.2rem;max-width:52ch;margin:22px 0 32px;color:#dbe8ff}
.slide .btns{display:flex;gap:14px;flex-wrap:wrap}
.sl-ctrl{position:absolute;z-index:5;left:0;right:0;bottom:26px}
.sl-ctrl .wrap{display:flex;align-items:center;gap:14px}
.dots{display:flex;gap:10px;margin-right:auto}
.dots button{width:38px;height:6px;border:0;border-radius:4px;background:rgba(255,255,255,.35);cursor:pointer;padding:0}
.dots button[aria-current="true"]{background:var(--bright);box-shadow:0 0 0 1px #fff inset}
.sl-btn{width:46px;height:46px;border-radius:50%;border:2px solid rgba(255,255,255,.6);background:rgba(10,42,102,.5);color:#fff;font-size:1.2rem;cursor:pointer;line-height:1}
.sl-btn:hover{background:var(--bright);border-color:var(--bright)}
.statbar{background:var(--bright);color:#fff}
.statbar .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:22px 0}
.statbar strong{font-family:var(--head);font-size:1.7rem;display:block;line-height:1.1}
.statbar span{font-size:.95rem;color:#e6f0ff}
@media(max-width:1000px){.courses{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.slides{min-height:620px}.statbar .wrap{grid-template-columns:1fr;gap:12px}.sl-btn{width:40px;height:40px}.dots button{width:26px}}