:root{
  --p950:#26094f;--p900:#351066;--p800:#4c1d95;--p700:#5b21b6;--p600:#6d28d9;
  --p500:#7c3aed;--p400:#8b5cf6;--p300:#a78bfa;--p200:#c4b5fd;--p100:#ede9fe;
  --p50:#f8f5ff;--pink:#d946ef;--ink:#2e2140;--muted:#746784;--white:#fff;
  --border:#e5dcf5;--success:#1d8a58;--danger:#c24646;
  --shadow:0 18px 55px rgba(79,33,135,.12);--shadow-soft:0 10px 35px rgba(83,42,135,.08)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(180deg,#fbf9ff,#f6f0ff)}
button,a{font:inherit}button{cursor:pointer}.hidden{display:none!important}.container{max-width:1260px;margin:auto;padding:0 24px}.page{display:none}.page.active{display:block}

.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(133,93,186,.15);box-shadow:0 6px 24px rgba(75,32,119,.06)}
.header-inner{max-width:1320px;margin:auto;padding:10px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-button{border:0;background:transparent;padding:0}.brand{display:flex;align-items:center;gap:12px;text-align:left;color:inherit}
.brand-logo-wrap{width:50px;height:50px;border-radius:50%;overflow:hidden;display:grid;place-items:center;background:var(--p950);box-shadow:0 0 0 4px #f2eaff,0 8px 24px rgba(109,40,217,.25)}
.brand-logo{width:100%;height:100%;object-fit:cover}.brand-copy strong{display:block;color:var(--p900);font-size:15px;line-height:1.2}.brand-copy small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.nav{display:flex;align-items:center;gap:6px}.nav button{border:0;background:transparent;color:#554562;padding:10px 13px;border-radius:11px;font-weight:750}.nav button:hover{background:var(--p50);color:var(--p700)}
.nav .nav-cta{margin-left:5px;color:#fff;background:linear-gradient(135deg,var(--p600),var(--p800));box-shadow:0 8px 22px rgba(109,40,217,.22)}.nav .nav-cta:hover{color:#fff;background:linear-gradient(135deg,var(--p500),var(--p700))}

.hero-section{position:relative;min-height:690px;background-image:url("assets/hero-jurnal-digital-purple.png");background-size:cover;background-position:center;display:flex;align-items:center;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(248,245,255,.05),rgba(248,245,255,.14) 48%,rgba(73,24,135,.03)),linear-gradient(180deg,rgba(255,255,255,.05),rgba(63,16,116,.05))}
.hero-inner{position:relative;z-index:2;width:100%;display:flex;justify-content:center}
.intro-card{width:min(700px,84vw);padding:34px 38px;text-align:center;border:1px solid rgba(255,255,255,.72);background:rgba(255,255,255,.70);backdrop-filter:blur(18px) saturate(130%);border-radius:30px;box-shadow:0 24px 75px rgba(72,22,126,.2)}
.intro-badge,.mini-label{display:inline-block;font-size:11px;letter-spacing:1.6px;font-weight:900;color:var(--p700);text-transform:uppercase}
.intro-card h1{margin:13px auto 12px;font-size:clamp(38px,5vw,66px);line-height:1.02;letter-spacing:-2px;color:var(--p950);max-width:650px}
.intro-card h1:after{content:"";display:block;width:88px;height:5px;margin:18px auto 0;border-radius:999px;background:linear-gradient(90deg,var(--p500),var(--pink))}
.intro-card p{margin:15px auto 0;color:#594a6e;line-height:1.7;font-size:16px;max-width:610px}
.hero-points{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:18px}.hero-points span{background:rgba(245,239,255,.9);border:1px solid #dfd0f7;color:var(--p800);padding:8px 11px;border-radius:999px;font-size:12px;font-weight:800}
.intro-actions{margin-top:22px;display:flex;gap:11px;justify-content:center;flex-wrap:wrap}.hero-note{font-size:12px!important;font-weight:800;color:var(--p700)!important;letter-spacing:.3px}

.btn{border:0;border-radius:13px;padding:12px 18px;font-weight:850;transition:.2s ease}.btn:hover{transform:translateY(-1px)}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--p600),var(--p800));box-shadow:0 10px 24px rgba(109,40,217,.25)}.btn-secondary{background:#fff;color:var(--p800);border:1px solid #d8c9ed}.btn-soft{background:var(--p100);color:var(--p800)}

.home-section{padding:74px 0 66px;background:#fff}.section-heading{text-align:center;max-width:790px;margin:0 auto 34px}.section-heading>span{font-size:11px;letter-spacing:1.7px;color:var(--p600);font-weight:900}
.section-heading h2{font-size:clamp(29px,4vw,43px);line-height:1.12;color:var(--p950);margin:10px 0 12px}.section-heading p{color:var(--muted);line-height:1.75;margin:0}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-card{background:linear-gradient(180deg,#fff,#faf7ff);border:1px solid var(--border);border-radius:22px;padding:24px;box-shadow:var(--shadow-soft);transition:.22s ease}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.feature-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;font-size:23px;background:linear-gradient(135deg,var(--p100),#f8e8ff);margin-bottom:17px}
.feature-card h3{color:var(--p900);font-size:17px;margin:0 0 8px}.feature-card p{color:var(--muted);line-height:1.65;font-size:13px;margin:0}

.journey-section{padding:62px 0 78px;background:linear-gradient(135deg,#efe7ff,#faf7ff 60%,#f1e3ff)}.journey-card{border-radius:28px;padding:34px;display:grid;grid-template-columns:1fr 1.05fr;gap:34px;align-items:center;background:linear-gradient(135deg,var(--p950),var(--p700));color:#fff;box-shadow:0 28px 70px rgba(75,28,129,.22)}
.journey-copy .mini-label{color:#d9c8ff}.journey-copy h2{font-size:34px;line-height:1.12;margin:9px 0 12px}.journey-copy p{color:#e4dafa;line-height:1.7;margin:0 0 20px}.journey-steps{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.journey-steps span{padding:12px 14px;border-radius:13px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);font-size:13px;font-weight:750}

.page-banner{background:linear-gradient(135deg,var(--p950),var(--p700) 56%,#8b4bea);color:#fff;position:relative;overflow:hidden}.page-banner:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-130px;top:-220px;background:rgba(255,255,255,.08)}
.page-banner-inner{min-height:215px;display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;z-index:2}.page-banner.compact .page-banner-inner{min-height:190px}.page-banner h1{font-size:clamp(30px,4vw,46px);line-height:1.1;margin:8px 0;max-width:850px}.page-banner p{color:#e8def8;margin:0}.page-banner .mini-label{color:#d9c8ff}
.page-banner-logo{width:112px;height:112px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 7px rgba(255,255,255,.12),0 20px 50px rgba(0,0,0,.18)}

.learning-wrap{padding:28px 0 48px}.learning-head{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;margin-bottom:18px}.title-card,.progress-card,.steps-panel,.lesson-panel,.about-card{background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow-soft)}
.title-card{padding:27px}.title-card h2{margin:7px 0 0;color:var(--p950);font-size:31px}.title-card p{margin:9px 0 0;color:var(--muted);line-height:1.7}.progress-card{padding:22px;background:linear-gradient(135deg,var(--p900),var(--p600));color:#fff}
.progress-row{display:flex;justify-content:space-between;align-items:center}.progress-row strong{font-size:32px}.progress-track{height:11px;background:rgba(255,255,255,.18);border-radius:999px;overflow:hidden;margin:12px 0}.progress-bar{height:100%;width:0;background:linear-gradient(90deg,#f3d1ff,#fff)}
.progress-card small{opacity:.9}.head-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.learning-layout{display:grid;grid-template-columns:330px 1fr;gap:18px}.steps-panel{padding:17px;position:sticky;top:86px;align-self:start}
.panel-brand{display:flex;gap:10px;align-items:center;padding:8px 7px 14px;border-bottom:1px solid var(--border);margin-bottom:13px}.panel-brand img{width:38px;height:38px;border-radius:50%;object-fit:cover;background:var(--p950)}
.panel-brand strong{display:block;font-size:12px;color:var(--p900)}.panel-brand small{display:block;color:var(--muted);font-size:10px;margin-top:2px}.steps-panel h3{margin:5px 7px 15px;color:var(--p900)}
.step-button{width:100%;border:0;background:transparent;border-radius:14px;display:grid;grid-template-columns:38px 1fr 26px;gap:10px;align-items:center;text-align:left;padding:11px;margin-bottom:5px}.step-button:hover:not(:disabled),.step-button.active{background:var(--p50)}.step-button:disabled{opacity:.42;cursor:not-allowed}
.step-num{width:36px;height:36px;border-radius:11px;background:var(--p100);display:grid;place-items:center;color:var(--p700);font-weight:900}.step-button.done .step-num{background:#e6f5ec;color:var(--success)}.step-title strong{display:block;font-size:13px;color:#3e2b50}.step-title small{display:block;font-size:11px;color:var(--muted);margin-top:3px}
.lesson-panel{padding:29px;min-height:720px}.lesson-kicker{font-size:11px;letter-spacing:1.4px;font-weight:900;color:var(--p600)}.lesson-panel h2{margin:8px 0 9px;color:var(--p950);font-size:32px}.lesson-intro{color:var(--muted);line-height:1.75}
.video-box{aspect-ratio:16/9;background:linear-gradient(135deg,#21083f,#552097);border-radius:18px;overflow:hidden;margin:17px 0;color:#fff;display:grid;place-items:center;text-align:center;padding:20px}.video-box iframe{width:100%;height:100%;border:0}.video-placeholder strong{display:block;font-size:21px;margin-bottom:6px}.video-placeholder span{opacity:.75}
.text-guide-box{min-height:150px;border:1px dashed #cdbbe8;border-radius:18px;background:var(--p50);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:24px;color:#655477;margin:18px 0}.text-guide-box strong{color:var(--p900);font-size:18px}.text-guide-box span{max-width:620px;line-height:1.55}
.goal-box,.task-box,.tip-box,.warning-box{border-radius:15px;padding:16px 18px;margin:17px 0}.goal-box{background:#f5f0ff;border:1px solid #dfd3f4}.task-box{background:#fbf4ff;border:1px solid #ead4f3}.tip-box{background:#eff8f4;border:1px solid #cfe8da}.warning-box{background:#fff2f1;border:1px solid #efceca}.box-title{font-weight:900;color:var(--p900);margin-bottom:7px}
.lesson-steps{counter-reset:step;display:flex;flex-direction:column;gap:11px}.lesson-step{position:relative;padding:15px 15px 15px 52px;border:1px solid var(--border);border-radius:14px;background:#fcfaff;line-height:1.65}.lesson-step:before{counter-increment:step;content:counter(step);position:absolute;left:13px;top:13px;width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--p500),var(--p700));color:#fff;display:grid;place-items:center;font-size:12px;font-weight:900}
.lesson-actions{display:flex;gap:9px;justify-content:flex-end;flex-wrap:wrap;padding-top:17px;border-top:1px solid var(--border);margin-top:22px}

.resource-card{background:linear-gradient(180deg,#fff,#faf6ff);border:1px solid var(--border);border-radius:17px;padding:18px;margin:17px 0}.resource-card h4{margin:0 0 7px;color:var(--p900)}.resource-card p{margin:0 0 12px;color:var(--muted);line-height:1.6}.resource-actions{display:flex;gap:9px;flex-wrap:wrap}
.resource-link{display:inline-flex;text-decoration:none;align-items:center;gap:7px;border:0;border-radius:11px;padding:11px 15px;font-weight:800}.resource-primary{background:linear-gradient(135deg,var(--p600),var(--p800));color:#fff}.resource-secondary{background:var(--p100);color:var(--p800)}.resource-outline{background:#fff;color:var(--p700);border:1px solid #d8c9ed}.setup-note{margin-top:11px;padding:11px 13px;background:#faf8ff;border:1px dashed #cbb8e5;border-radius:10px;color:#685a78;font-size:12px;line-height:1.6}.final-code-card{border-top:4px solid var(--p600)}

.about-wrap{min-height:520px;display:grid;place-items:center;padding:38px 0 58px}.about-card{width:min(900px,100%);padding:38px;text-align:center}.about-logo{width:100px;height:100px;border-radius:50%;overflow:hidden;margin:-4px auto 20px;background:var(--p950);box-shadow:0 0 0 8px var(--p50)}.about-logo img{width:100%;height:100%;object-fit:cover}
.about-card h2{margin:8px 0 10px;color:var(--p950);font-size:32px}.developer-meta{display:flex;flex-direction:column;gap:5px;margin-bottom:16px}.developer-role{font-weight:800;color:var(--p700)}.developer-institution{font-size:14px;color:var(--muted)}.about-card p{color:var(--muted);line-height:1.75;max-width:720px;margin:0 auto}.developer-quote{margin:22px auto;padding:18px 20px;max-width:720px;border-left:5px solid var(--p500);background:var(--p50);border-radius:12px;color:#5f4e70;font-style:italic;line-height:1.8;text-align:left}

.footer{background:var(--p950);color:#fff}.footer-inner{max-width:1260px;margin:auto;padding:24px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;font-size:12px}.footer-brand{display:flex;align-items:center;gap:10px}.footer-brand img{width:42px;height:42px;border-radius:50%;object-fit:cover}.footer-brand strong{display:block}.footer-brand small{display:block;color:#cdbde2;margin-top:2px}.footer-center{color:#cdbde2;text-align:center}.footer-links{display:flex;justify-content:flex-end;gap:16px}.footer a{color:#fff;text-decoration:none;font-weight:750}.footer a:hover{color:#dfc8ff}

.modal{position:fixed;inset:0;background:rgba(31,10,57,.62);z-index:160;display:grid;place-items:center;padding:20px}.modal-card{width:min(460px,100%);background:#fff;border-radius:22px;padding:23px;box-shadow:0 25px 90px rgba(0,0,0,.25);position:relative}.modal-close{position:absolute;right:13px;top:10px;border:0;background:transparent;font-size:26px;color:var(--muted)}.modal-card h3{color:var(--p900);margin-top:0}.modal-card p{color:var(--muted);line-height:1.65}
.code-modal-card{width:min(1000px,96vw);max-height:92vh;display:flex;flex-direction:column}.code-toolbar{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin:10px 0}.code-status{margin-left:auto;color:var(--muted);font-size:12px}.code-viewer{background:#19072f;color:#f7efff;border-radius:14px;padding:17px;overflow:auto;max-height:62vh;white-space:pre;font-family:ui-monospace,Consolas,monospace;font-size:12px;line-height:1.55}.copy-success{background:#e5f6ed!important;color:#145f35!important}
.toast{position:fixed;top:86px;right:18px;z-index:200;background:#fff;border-left:5px solid var(--success);padding:12px 15px;border-radius:11px;box-shadow:0 18px 50px rgba(72,24,121,.18);max-width:360px}.toast.error{border-left-color:var(--danger)}

@media(max-width:1020px){.feature-grid{grid-template-columns:1fr 1fr}.journey-card{grid-template-columns:1fr}.learning-head,.learning-layout{grid-template-columns:1fr}.steps-panel{position:static}}
@media(max-width:760px){.header-inner,.container,.footer-inner{padding-left:15px;padding-right:15px}.brand-copy small{max-width:180px}.nav button:not(.nav-cta){display:none}.hero-section{min-height:720px;background-position:center}.intro-card{width:min(94vw,650px);padding:27px 20px}.feature-grid{grid-template-columns:1fr}.journey-steps{grid-template-columns:1fr}.page-banner-logo{width:82px;height:82px}.footer-inner{grid-template-columns:1fr;text-align:center}.footer-brand{justify-content:center}.footer-links{justify-content:center}.footer-center{text-align:center}.lesson-panel{padding:20px}.title-card h2,.lesson-panel h2,.about-card h2{font-size:27px}.resource-actions,.lesson-actions,.intro-actions{flex-direction:column}.resource-actions>*,.lesson-actions>*,.intro-actions>*{width:100%;justify-content:center}.code-status{width:100%;margin-left:0}}
@media(max-width:520px){.brand-logo-wrap{width:44px;height:44px}.brand-copy strong{font-size:13px}.brand-copy small{font-size:9.5px;max-width:150px}.nav .nav-cta{padding:9px 11px;font-size:12px}.hero-section{min-height:760px}.intro-card h1{font-size:38px;letter-spacing:-1px}.hero-points{flex-direction:column;align-items:stretch}.page-banner-inner{min-height:190px}.page-banner-logo{display:none}}