:root{--blue:#4ca6ff;--blue2:#7cc8ff;--sky:#eaf7ff;--sky2:#f6fbff;--ink:#13314d;--muted:#5f7890;--white:#fff;--line:#d9ebf7;--shadow:0 18px 50px rgba(34,116,172,.13)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--ink);background:#fff;line-height:1.65}a{text-decoration:none;color:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,235,247,.8)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px}.brand-mark{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;color:white;background:linear-gradient(135deg,var(--blue),var(--blue2));box-shadow:0 10px 26px rgba(76,166,255,.28)}nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:650}.nav-cta{padding:11px 18px;border-radius:999px;background:var(--ink);color:white}.menu-btn{display:none;border:0;background:none;font-size:26px}.hero{padding:86px 0 76px;background:radial-gradient(circle at 80% 20%,#dff4ff 0,transparent 34%),linear-gradient(#fff,#f8fcff)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}.eyebrow,.section-tag{display:inline-block;font-size:12px;letter-spacing:.16em;font-weight:800;color:#2f91db}.hero h1{font-size:clamp(42px,6vw,72px);line-height:1.06;margin:18px 0 22px;letter-spacing:-.045em}.hero h1 span{color:#379be6}.hero p{font-size:18px;color:var(--muted);max-width:720px}.hero-actions{display:flex;gap:12px;margin:30px 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 21px;border-radius:14px;font-weight:750}.primary{background:linear-gradient(135deg,var(--blue),#3696e3);color:#fff;box-shadow:0 14px 30px rgba(76,166,255,.25)}.secondary{background:white;border:1px solid var(--line)}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px}.mini-stats div{padding:15px;border:1px solid var(--line);border-radius:16px;background:#fff}.mini-stats strong,.mini-stats small{display:block}.mini-stats small{color:var(--muted);margin-top:2px}.hero-card{height:460px;border-radius:36px;position:relative;overflow:hidden;background:linear-gradient(160deg,#62baff,#c9edff 70%,#fff);box-shadow:var(--shadow)}.cloud{position:absolute;background:#fff;border-radius:999px;opacity:.82}.c1{width:230px;height:80px;right:-30px;top:82px}.c2{width:180px;height:65px;left:-20px;bottom:82px}.card-content{position:absolute;left:38px;right:38px;bottom:38px;padding:28px;border-radius:24px;background:rgba(255,255,255,.86);backdrop-filter:blur(12px)}.card-content .icon{font-size:32px}.card-content h3{font-size:28px;margin:8px 0}.card-content p{margin:0}.section{padding:92px 0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:70px}.section h2{font-size:clamp(32px,4.3vw,50px);line-height:1.12;letter-spacing:-.035em;margin:12px 0}.section p{color:var(--muted)}.soft-blue{background:var(--sky2)}.section-head{text-align:center;max-width:760px;margin:0 auto 42px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card{padding:28px;border:1px solid var(--line);border-radius:24px;background:white;box-shadow:0 10px 30px rgba(50,125,180,.06)}.feature-card span{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--sky);color:#238bcf;font-weight:800}.feature-card h3{font-size:21px;margin:18px 0 8px}.quote-box{padding:46px;border-radius:30px;background:linear-gradient(145deg,#eff9ff,#fff);border:1px solid var(--line)}blockquote{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.03em;margin:18px 0}.row-between{max-width:none;display:flex;text-align:left;justify-content:space-between;align-items:end}.text-link{font-weight:700;color:#278fd9}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.article-card{overflow:hidden;border-radius:24px;background:white;border:1px solid var(--line)}.article-cover{height:180px}.cover-1{background:linear-gradient(135deg,#9ed8ff,#dff4ff)}.cover-2{background:linear-gradient(135deg,#6db8f4,#ccecff)}.cover-3{background:linear-gradient(135deg,#d7f0ff,#7ec9ff)}.article-body{padding:24px}.article-body small{color:#278fd9;font-weight:750}.article-body h3{font-size:22px;line-height:1.3}.article-body a{font-weight:750;color:#248ed8}.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}.faq-list details{padding:20px 0;border-bottom:1px solid var(--line)}summary{font-weight:750;cursor:pointer}.cta-section{padding-top:20px}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:52px;border-radius:32px;background:linear-gradient(135deg,#248fdc,#76c9ff);color:white}.cta-box p{color:#eaf8ff}.light{color:#dff5ff}.white{background:white;color:#176da8}.cta-box h2{margin-bottom:10px}footer{padding:64px 0 20px;background:#0f2c43;color:#dbefff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-grid p{max-width:430px;color:#aac8df}.footer-grid h4{color:white}.footer-grid a{display:block;margin:10px 0}.footer-grid .brand{display:inline-flex}.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);color:#8fb0c7;font-size:14px}
@media(max-width:900px){nav{display:none}.menu-btn{display:block}.nav-wrap.open nav{display:flex;position:absolute;top:76px;left:20px;right:20px;flex-direction:column;align-items:stretch;background:white;padding:18px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.hero-grid,.two-col,.faq-wrap{grid-template-columns:1fr}.hero-card{height:360px}.cards{grid-template-columns:1fr 1fr}.article-grid{grid-template-columns:1fr}.row-between{display:block}.cta-box{flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr 1fr}.mini-stats{grid-template-columns:1fr}}
@media(max-width:600px){.container{width:min(100% - 28px,1160px)}.hero{padding-top:56px}.hero h1{font-size:43px}.section{padding:68px 0}.cards{grid-template-columns:1fr}.hero-card{height:300px}.card-content{left:20px;right:20px;bottom:20px}.quote-box,.cta-box{padding:30px}.footer-grid{grid-template-columns:1fr}}

/* WASIAT4D official logo */
.brand-logo { display:flex; align-items:center; text-decoration:none; }
.brand-logo img { display:block; width:auto; height:44px; max-width:200px; object-fit:contain; }
@media (max-width:640px){ .brand-logo img { height:36px; max-width:150px; } }

/* Educational article portal */
.article-hero{padding:72px 0 48px;background:linear-gradient(180deg,#eef8ff 0%,#fff 100%)}.article-hero h1{max-width:900px;font-size:clamp(2rem,4vw,3.6rem);line-height:1.12;margin:14px 0}.article-lead{max-width:850px;font-size:1.1rem;line-height:1.8;color:#4a6075}.article-meta,.breadcrumbs{font-size:.9rem;color:#6e8295}.breadcrumbs{margin-bottom:20px}.breadcrumbs a{color:#2679b8}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:48px;padding-top:56px;padding-bottom:70px}.article-content section{margin-bottom:38px}.article-content h2{font-size:1.65rem;margin-bottom:12px;color:#16324a}.article-content p{font-size:1.06rem;line-height:1.9;color:#3f5365}.article-note{padding:22px 24px;border-radius:18px;background:#eef8ff;border:1px solid #d7efff;line-height:1.75}.article-sidebar{position:relative}.side-box{padding:22px;border:1px solid #dcebf5;border-radius:18px;margin-bottom:18px;background:#fff}.side-box p{color:#5c7183;line-height:1.65}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related-card{display:flex;flex-direction:column;gap:10px;padding:24px;border-radius:18px;background:#fff;border:1px solid #dcebf5;text-decoration:none;color:#16324a}.related-card small{color:#3b88bf}.related-card strong{font-size:1.05rem;line-height:1.45}.related-card span{color:#2679b8}.article-list-grid{grid-template-columns:repeat(3,1fr)}.article-list-grid .article-body h2{font-size:1.18rem}.policy-page{max-width:850px}.policy-page h1{font-size:2.5rem}.policy-page h2{margin-top:34px}.policy-page p{line-height:1.85;color:#42586b}@media(max-width:860px){.article-layout{grid-template-columns:1fr}.article-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:14px}.related-grid,.article-list-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.article-hero{padding:48px 0 32px}.article-layout{padding-top:34px}.article-sidebar,.related-grid,.article-list-grid{grid-template-columns:1fr}}

/* ===== Mobile-first refinements + Login / Register ===== */
html{overflow-x:hidden;-webkit-text-size-adjust:100%}
body{overflow-x:hidden}
img,svg,video{max-width:100%;height:auto}
button,a{touch-action:manipulation}
nav{gap:18px}
.nav-links,.auth-actions{display:flex;align-items:center}
.nav-links{gap:24px}
.auth-actions{gap:10px;margin-left:6px}
.auth-btn{min-height:44px;padding:10px 18px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;letter-spacing:.035em;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.auth-btn:hover{transform:translateY(-1px)}
.login-btn{color:#237fc0;background:#fff;border:1px solid #9ed3f6}
.login-btn:hover{background:#f2faff}
.register-btn{color:#fff;background:linear-gradient(135deg,#55adf2,#2f8ed3);box-shadow:0 9px 20px rgba(47,142,211,.2)}
.register-btn:hover{box-shadow:0 12px 24px rgba(47,142,211,.26)}
.menu-btn{width:46px;height:46px;border-radius:12px;align-items:center;justify-content:center;color:var(--ink);cursor:pointer}
.menu-btn:focus-visible,.auth-btn:focus-visible,.btn:focus-visible,nav a:focus-visible{outline:3px solid rgba(76,166,255,.32);outline-offset:3px}

@media(max-width:900px){
  .site-header{backdrop-filter:blur(12px)}
  .nav-wrap{height:68px;position:relative}
  .menu-btn{display:flex}
  .nav-wrap nav{display:none}
  .nav-wrap.open nav{display:flex;position:absolute;top:66px;left:0;right:0;max-height:calc(100vh - 90px);overflow:auto;flex-direction:column;align-items:stretch;gap:14px;background:rgba(255,255,255,.98);padding:16px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
  .nav-links{flex-direction:column;align-items:stretch;gap:4px}
  .nav-links>a{min-height:46px;display:flex;align-items:center;padding:10px 12px;border-radius:10px}
  .nav-links>a:hover{background:var(--sky2)}
  .auth-actions{margin-left:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .auth-btn{width:100%;min-height:48px}
  .hero{padding:58px 0 56px}
  .hero-grid{gap:34px}
  .hero h1{font-size:clamp(36px,8vw,54px);line-height:1.08}
  .hero p{font-size:17px}
  .hero-card{height:330px}
  .section{padding:72px 0}
  .two-col,.faq-wrap{gap:30px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}

@media(max-width:640px){
  .container{width:min(100% - 28px,1160px)}
  .brand-logo img{height:34px;max-width:145px}
  .hero{padding:46px 0 48px}
  .hero-grid{gap:26px}
  .hero h1{font-size:clamp(33px,10vw,43px);letter-spacing:-.035em;margin:14px 0 18px}
  .hero p{font-size:16px;line-height:1.75}
  .eyebrow,.section-tag{font-size:11px;letter-spacing:.12em}
  .hero-actions{display:grid;grid-template-columns:1fr;margin:24px 0;gap:10px}
  .hero-actions .btn{width:100%;min-height:50px}
  .mini-stats{grid-template-columns:1fr;gap:9px;margin-top:26px}
  .mini-stats div{padding:13px 15px}
  .hero-card{height:270px;border-radius:24px}
  .card-content{left:16px;right:16px;bottom:16px;padding:20px;border-radius:18px}
  .card-content h3{font-size:22px}
  .section{padding:58px 0}
  .section h2{font-size:clamp(29px,9vw,38px)}
  .two-col{grid-template-columns:1fr;gap:18px}
  .cards,.article-grid{grid-template-columns:1fr}
  .feature-card{padding:22px;border-radius:20px}
  .quote-box,.cta-box{padding:26px 22px;border-radius:22px}
  blockquote{font-size:clamp(25px,8vw,34px)}
  .row-between{display:block}
  .row-between .text-link{display:inline-flex;margin-top:8px;min-height:44px;align-items:center}
  .article-cover{height:155px}
  .article-body{padding:20px}
  .article-body h3{font-size:20px}
  .faq-wrap{grid-template-columns:1fr;gap:18px}
  .faq-list details{padding:16px 0}
  summary{min-height:44px;display:flex;align-items:center}
  .cta-box{align-items:stretch}
  .cta-box .btn{width:100%;min-height:50px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-grid a{min-height:38px;display:flex;align-items:center}
  .footer-bottom{margin-top:28px}

  /* Article pages */
  .article-hero{padding:38px 0 26px}
  .article-hero h1{font-size:clamp(30px,9vw,40px);overflow-wrap:anywhere}
  .article-lead{font-size:1rem}
  .article-layout{grid-template-columns:1fr;gap:28px;padding-top:30px;padding-bottom:52px}
  .article-content h2{font-size:1.45rem;line-height:1.25}
  .article-content p{font-size:1rem;line-height:1.82}
  .article-sidebar,.related-grid,.article-list-grid{grid-template-columns:1fr}
  .side-box,.related-card{padding:19px}
  .breadcrumbs{overflow-wrap:anywhere}
}

@media(max-width:390px){
  .container{width:calc(100% - 22px)}
  .auth-actions{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .hero-card{height:245px}
}

/* Mobile header: logo + LOGIN + DAFTAR, tanpa hamburger */
@media(max-width:900px){
  .nav-wrap{height:70px;gap:8px}
  .brand-logo{flex:1;min-width:0}
  .brand-logo img{width:clamp(105px,31vw,150px);height:auto;display:block}
  .menu-btn{display:none!important}
  .nav-wrap nav{display:flex!important;position:static!important;max-height:none!important;overflow:visible!important;flex-direction:row!important;align-items:center!important;gap:0!important;background:transparent!important;padding:0!important;border:0!important;border-radius:0!important;box-shadow:none!important}
  .nav-links{display:none!important}
  .auth-actions{display:flex!important;grid-template-columns:none!important;gap:6px!important;margin:0!important}
  .auth-btn{width:auto!important;min-height:38px!important;padding:8px 10px!important;border-radius:9px!important;font-size:11px!important;white-space:nowrap}
}
@media(max-width:390px){
  .container{width:min(100% - 20px,1160px)}
  .brand-logo img{width:100px}
  .auth-btn{padding:7px 8px!important;font-size:10px!important}
}


body{padding-bottom:90px;}
.mobile-bottom-cta{display:none}
@media(max-width:768px){
header nav,.menu-toggle{display:none!important;}
.mobile-bottom-cta{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:99999;gap:12px;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);padding:10px;border-radius:20px;box-shadow:0 10px 30px rgba(0,0,0,.15)}
.mobile-bottom-cta a{flex:1;height:54px;display:flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700;border-radius:16px}
.mobile-bottom-cta .login{border:2px solid #2d8cff;color:#2d8cff;background:#fff}
.mobile-bottom-cta .register{background:linear-gradient(135deg,#59b9ff,#2d8cff);color:#fff}
}