/* AkuBelajar.ID — site stylesheet */
:root{
  --red:#d83221;--red-dark:#b8281a;--blue:#21638d;--text:#1d2023;--muted:#50555c;
  --light:#f2f2f2;--line:#e6e6e6;--white:#fff;--font:'Montserrat',Helvetica,Arial,sans-serif;
  --nav-h:78px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--white);font-size:16px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:400}
p{margin:0 0 1em}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;background:var(--red);color:#fff;font-weight:700;font-size:15px;border-radius:999px;padding:13px 30px;border:0;cursor:pointer;transition:background .2s,transform .2s;font-family:var(--font);line-height:1.2}
.btn:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn.sm{font-size:13px;padding:10px 22px}
.text-center{text-align:center}
.light{color:#fff}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.06);height:var(--nav-h)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:1180px}
.brand{display:flex;align-items:center;gap:8px;color:var(--text);font-weight:700;font-size:15px}
.brand img{height:60px;width:auto}
.nav{display:flex;align-items:center;gap:22px}
.nav ul{display:flex;list-style:none;margin:0;padding:0;gap:16px;flex-wrap:wrap;justify-content:flex-end}
.nav a.link{color:var(--text);font-weight:700;font-size:13px;padding:6px 0;border-bottom:2px solid transparent}
.nav a.link:hover,.nav a.link.active{border-bottom-color:var(--text)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:3px;background:var(--text);margin:4px 0;border-radius:2px}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:var(--nav-h);background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 20px;display:none;box-shadow:0 8px 20px rgba(0,0,0,.08)}
  .nav.open{display:flex}
  .nav ul{flex-direction:column;gap:0}
  .nav ul li a.link{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
  .nav .btn{align-self:flex-start;margin-top:12px}
}

/* ---------- Sections ---------- */
.section{position:relative;padding:90px 0}
.section.bg{background-size:cover;background-position:center;color:#fff}
.section.bg::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.55)}
.section.bg>*{position:relative}
.section.bg-light{background:var(--light)}
.section.pastel{background:#a9c6d7}
.section.pastel-35{background:linear-gradient(135deg,#bcd3e8,#a6c4dc)}
.section.pastel-36{background:linear-gradient(135deg,#c8d9e6,#adc7d8)}
.section.pastel-42{background:linear-gradient(135deg,#5fb2b3,#4a9fa1)}
.section.hero{padding:70px 0 90px}
.section-title{font-size:34px;text-align:center;margin-bottom:12px}
.section-sub{font-size:16px;text-align:center;max-width:820px;margin:0 auto 40px;color:var(--red)}
.section.bg .section-sub{color:#fff}
.arrow-down{height:0;position:relative}
.arrow-down::after{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);border-left:22px solid transparent;border-right:22px solid transparent;border-top:22px solid var(--arrow,#a6c4dc);z-index:2}

/* ---------- Slider ---------- */
.slider{position:relative;overflow:hidden}
.slider .slides{display:flex;transition:transform .6s ease}
.slider .slide{min-width:100%;flex:0 0 100%}
.slider .arrow{position:absolute;top:50%;transform:translateY(-50%);background:none;border:0;cursor:pointer;font-size:0;width:44px;height:44px;z-index:5;opacity:.75}
.slider .arrow:hover{opacity:1}
.slider .arrow::before{content:"";display:block;width:16px;height:16px;border-top:3px solid currentColor;border-right:3px solid currentColor;margin:14px auto}
.slider .arrow.prev{left:8px}.slider .arrow.prev::before{transform:rotate(-135deg)}
.slider .arrow.next{right:8px}.slider .arrow.next::before{transform:rotate(45deg)}
.slider .dots{display:flex;justify-content:center;gap:10px;padding:22px 0 0}
.slider .dots button{width:12px;height:12px;border-radius:50%;border:0;background:#c9c9c9;cursor:pointer;padding:0}
.slider .dots button.active{background:#777}
.slider.dark .arrow{color:#333}
.slider.on-image .arrow{color:#fff}
.slider.on-image .dots button{background:rgba(255,255,255,.5)}
.slider.on-image .dots button.active{background:#fff}

/* Home hero slider */
.hero-slider{min-height:calc(100vh - var(--nav-h));display:flex;align-items:center;padding:40px 0}
.hero-slider .container{max-width:1500px;width:100%}
.hero-slider .split{gap:60px}
.hero-slider .split .img{flex:1}
@media (min-width:1400px){.hero-slider .split{grid-template-columns:1fr 1.3fr}.hero-slider .split .txt h1,.hero-slider .split .txt h2{font-size:44px}.hero-slider .split .txt p{font-size:20px}}
@media (max-width:820px){.hero-slider{min-height:0;padding:40px 0}}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.split .txt h1,.split .txt h2{font-size:34px;font-weight:700;color:var(--red)}
.split .txt h1.plain,.split .txt h2.plain{color:var(--text);font-weight:400}
.split .txt p{font-size:17px}
.split .txt .btn{margin-top:20px}
.split .img img{width:100%;box-shadow:0 8px 30px rgba(0,0,0,.08)}
.split.img-left .img{order:-1}
@media (max-width:820px){.split{grid-template-columns:1fr;text-align:center}.split.img-left .img{order:0}.split .txt .btn{margin:16px auto 0}}

/* Stats (info section) */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:40px}
.stats h3{font-size:30px;font-weight:700;color:#fff}
.stats p{font-size:15px}
.stat{text-align:center}
@media (max-width:820px){.stats{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.stats{grid-template-columns:1fr}}

/* Big title section */
.big-title h2{font-size:34px;font-weight:300}
.big-title h2 strong{font-weight:700}
.big-title h4{font-size:18px;font-style:italic;font-weight:400;margin:16px 0 28px}

/* Logos */
.logos{display:grid;grid-template-columns:repeat(5,1fr);gap:28px;align-items:center;margin-top:40px}
.logos img{width:100%;max-width:150px;margin:0 auto;object-fit:contain;aspect-ratio:1}
@media (max-width:820px){.logos{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.logos{grid-template-columns:repeat(2,1fr)}}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gallery figure{margin:0;text-align:center}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:0 4px 14px rgba(0,0,0,.08)}
.gallery figcaption{margin-top:14px;color:var(--muted);font-size:15px}
@media (max-width:820px){.gallery{grid-template-columns:1fr 1fr}}

/* Icon columns */
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;text-align:center}
.cols3 img{width:150px;margin:0 auto 20px}
.cols3 h3{font-size:16px;font-weight:400;margin-bottom:4px}
.cols3 .sub{color:var(--red);font-size:15px;margin-bottom:8px}
.section.bg .cols3 .sub{color:#fff}
.cols3 p{font-size:14px}
@media (max-width:820px){.cols3{grid-template-columns:1fr}}

/* Contact section */
.contact-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:26px;margin-top:40px;align-items:start}
.contact-grid form{display:flex;flex-direction:column;gap:14px}
.contact-grid input,.contact-grid textarea{width:100%;padding:13px 14px;border:0;border-radius:4px;font-family:var(--font);font-size:15px;background:#fff;color:#333}
.contact-grid textarea{min-height:110px;resize:vertical}
.contact-grid .btn{align-self:flex-start;margin-top:6px}
.map{width:100%;aspect-ratio:1/1;border:0;background:#dcdcdc}
.addr{font-size:15px}
.addr p{margin-bottom:14px}
.addr a{color:#fff}
.addr .ic{display:flex;gap:10px;align-items:flex-start}
.addr .ic svg{width:18px;height:18px;flex:none;margin-top:3px;fill:#fff}
.contact-center form{max-width:520px;margin:30px auto 0;display:flex;flex-direction:column;gap:14px}
.contact-center input,.contact-center textarea{width:100%;padding:13px 14px;border:0;border-radius:4px;font-family:var(--font);font-size:15px;color:#333}
.contact-center textarea{min-height:110px}
.contact-center .btn{align-self:center}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}

/* Block section (image + bullets) */
.block h2{font-size:26px;text-transform:uppercase;letter-spacing:.5px;text-align:left;margin-bottom:10px}
.block .lead{font-size:16px;max-width:560px;margin-bottom:40px}
.block.center h2,.block.center .lead{text-align:right;margin-left:auto}
.block-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.block-grid ul{list-style:none;margin:0;padding:0}
.block-grid li{position:relative;padding-left:22px;margin-bottom:22px;font-size:14px;text-transform:uppercase;line-height:1.55;text-align:justify}
.block-grid li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:currentColor}
.block-grid .img img{width:100%}
.block-grid .side h3{font-size:16px;text-transform:uppercase;font-weight:700;margin-bottom:14px}
.block-grid .side p{font-size:15px;text-align:justify}
@media (max-width:820px){.block-grid{grid-template-columns:1fr}.block.center h2,.block.center .lead{text-align:left}}
.section.bg .block-grid li::before{background:#fff}

/* Hero (fitur/covid) */
.hero-split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.hero-split .txt{text-align:center;color:#fff}
.hero-split .txt h1{font-size:30px;text-transform:uppercase;letter-spacing:.5px;line-height:1.35}
.hero-split .txt h4{font-size:15px;text-transform:uppercase;font-weight:400;margin:20px 0 26px}
@media (max-width:820px){.hero-split{grid-template-columns:1fr}}
.hero-center{text-align:center;color:#fff;padding:120px 0 130px}
.hero-center h1{font-size:34px}
.hero-center h4{font-size:16px;font-weight:400;max-width:520px;margin:12px auto 30px}

/* Cards (layanan) */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
.card{background:#fff;padding:26px 28px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.card p{font-size:14px;color:var(--muted);margin:0}
@media (max-width:700px){.cards{grid-template-columns:1fr}}

/* Blog listing */
.blog-list{max-width:860px;margin:0 auto}
.blog-item{padding:14px 0 6px}
.blog-item:nth-child(3n+2){padding-left:90px}
.blog-item:nth-child(3n){padding-left:30px}
.blog-item h3{font-size:16px;font-weight:400;margin:0 0 2px}
.blog-item h3 a{color:var(--text)}
.blog-item h3 a:hover{color:var(--red)}
.blog-item .meta{color:var(--red);font-size:14px;margin:0}
.blog-item .more{color:var(--muted);font-size:14px;margin:0}
.blog-list-btn{text-align:center;margin-top:40px}
@media (max-width:600px){.blog-item:nth-child(n){padding-left:0}}

/* Blog post */
.post-header{position:relative;background-size:cover;background-position:center;color:#fff;padding:60px 0 0}
.post-header::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.6)}
.post-header>*{position:relative}
.post-header .back{color:#fff;font-size:14px;display:inline-block;margin-bottom:60px}
.post-header h1{font-size:34px;font-weight:700;text-align:center;max-width:820px;margin:0 auto 60px}
.post-info{background:#fff;color:var(--muted);font-size:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.post-info .container{max-width:860px}
.post-body{max-width:860px;margin:0 auto;padding:40px 20px 70px;font-size:16px}
.post-body p{text-align:justify;margin-bottom:18px}
.post-body p+p>strong:only-child{display:inline-block;margin-top:6px}
.post-nav{display:flex;justify-content:space-between;gap:20px;max-width:860px;margin:0 auto;padding:0 20px 60px;font-size:14px}
.post-nav a{color:var(--muted)}
.post-nav a:hover{color:var(--red)}

/* Webinar row */
.row-item{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:center;margin-top:40px}
.row-item h3{font-size:16px;font-weight:400}
.row-item .sub{color:var(--red);margin-bottom:14px}
.row-item p{font-size:14px;text-align:justify}
.row-item .img img{width:100%;box-shadow:0 6px 20px rgba(0,0,0,.12)}
@media (max-width:820px){.row-item{grid-template-columns:1fr}}

/* Did you know slider */
.tahu .slide{padding:110px 40px;text-align:center;color:#fff}
.tahu .slide h2{font-size:34px;font-weight:400}
.tahu .slide p{font-size:17px;margin-bottom:22px}

/* Footer */
.site-footer{background:#fff;padding:60px 0 30px;font-size:13px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:30px;align-items:start}
.footer-grid img{width:92px}
.footer-grid h4{font-size:13px;font-weight:700;margin-bottom:8px}
.footer-grid p{margin:0 0 4px}
.footer-grid a{color:var(--text)}
.footer-grid a:hover{color:var(--red)}
.copyright{border-top:1px solid var(--line);margin-top:36px;padding-top:22px;text-align:center;font-size:11px;color:var(--muted);line-height:1.7}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* Cookie banner */
.cookie{position:fixed;left:0;right:0;bottom:0;background:#fff;box-shadow:0 -4px 20px rgba(0,0,0,.12);padding:16px 20px;z-index:200;display:none;font-size:13px}
.cookie.show{display:block}
.cookie .container{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between}
.cookie strong{display:block;font-size:14px;margin-bottom:2px}
.cookie .actions{display:flex;gap:16px;align-items:center}
.cookie .actions a{color:var(--muted);text-decoration:underline}

/* Section scroll arrows */
.sec-nav{position:fixed;right:22px;bottom:22px;display:flex;flex-direction:column;gap:6px;z-index:150}
.sec-nav button{width:26px;height:26px;border:0;background:#2b2b2b;color:#fff;cursor:pointer;font-size:10px;border-radius:2px}
.sec-nav button:hover{background:var(--red)}
@media (max-width:600px){.sec-nav{display:none}}

/* Utility */
.pill-red{color:var(--red)}
.note{font-size:12px;color:var(--muted)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line);padding:6px 0}
.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--red);flex:none;line-height:1}
.faq-item[open] summary::after{content:"\2212"}
.faq-item h3{font-size:16px;font-weight:700;margin:0}
.faq-item p{margin:0 0 16px;font-size:15px;color:var(--muted);text-align:justify}