/* =====================================================
   Sadasa Academy — Pelatihan Data Science & IT
   Token system:
   Color   : --violet #5B3DF5 (brand utama), --violet-deep #3B1FA8, --cyan #22D3EE
             (aksen data-viz), --dark #0F1222, --grey-light #F5F5FA, --grey #6B6B7A
   Type    : Display = "Lexend" (dirancang untuk keterbacaan, cocok edtech),
             Body = "Inter"
   Shape   : card rounded-2xl, blob gradient, mockup chart/dashboard sebagai visual utama
   Header  : FLOATING PILL NAVBAR — mengambang dengan jarak dari tepi atas, blur
             background — beda dari topbar rata (4 project), header dua-lapis (1),
             dan sidebar (1) yang sudah dipakai sebelumnya
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --violet:#5B3DF5;
  --violet-deep:#3B1FA8;
  --violet-soft:#EFEBFE;
  --cyan:#22D3EE;
  --dark:#0F1222;
  --grey-light:#F5F5FA;
  --grey-light-2:#ECEBF7;
  --grey:#6B6B7A;
  --ink:#181A2A;
  --maxw:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:#fff; color:var(--ink);
  font-family:'Inter',system-ui,sans-serif; font-size:16px; line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Lexend',sans-serif; font-weight:700; line-height:1.22; margin:0 0 .5em; color:var(--dark);}
p{margin:0 0 1em; color:var(--grey);}
a{color:var(--violet); text-decoration:none;}
a:hover{color:var(--violet-deep);}
img,svg{max-width:100%; display:block;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
.skip-link{position:absolute; left:-999px; top:0; background:var(--dark); color:#fff; padding:10px 16px; z-index:999;}
.skip-link:focus{left:16px; top:16px;}

/* ===== FLOATING PILL NAVBAR ===== */
.nav-outer{position:sticky; top:16px; z-index:60; padding:0 20px;}
.nav-pill{
  max-width:var(--maxw); margin:0 auto; background:rgba(255,255,255,.86); backdrop-filter:blur(10px);
  border:1px solid #E6E4FA; border-radius:999px; box-shadow:0 12px 30px -18px rgba(59,31,168,.28);
  display:flex; align-items:center; justify-content:space-between; padding:10px 12px 10px 20px;
}
.logo{display:flex; align-items:center; gap:9px; font-family:'Lexend',sans-serif; font-weight:700; font-size:18px; color:var(--dark);}
.logo:hover{color:var(--dark);}
.logo .mark{width:30px; height:30px; border-radius:9px; background:linear-gradient(135deg,var(--violet),var(--cyan)); flex-shrink:0;}
.nav-links{display:flex; gap:22px; align-items:center;}
.nav-links a{font-size:14px; font-weight:600; color:var(--ink);}
.nav-links a:hover{color:var(--violet);}
.btn{
  display:inline-flex; align-items:center; gap:8px; background:var(--violet); color:#fff;
  padding:12px 22px; font-weight:600; font-size:14px; border:1px solid var(--violet); border-radius:999px;
  transition:.15s ease;
}
.btn:hover{background:var(--violet-deep); border-color:var(--violet-deep);}
.btn-outline{background:transparent; color:var(--dark); border:1px solid #DAD8F0;}
.btn-outline:hover{border-color:var(--violet); color:var(--violet);}
.nav-pill .btn{padding:10px 20px; font-size:13.5px;}

/* ===== Hero ===== */
.hero{padding:56px 0 60px; position:relative; overflow:hidden;}
.hero-blob{position:absolute; top:-120px; right:-140px; width:420px; height:420px; border-radius:50%; background:radial-gradient(circle, var(--violet-soft), transparent 70%); z-index:0;}
.hero-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:50px; align-items:center; position:relative; z-index:1;}
.eyebrow{display:inline-flex; align-items:center; gap:8px; background:var(--violet-soft); color:var(--violet-deep); font-size:12.5px; font-weight:700; padding:7px 16px; border-radius:999px; margin-bottom:20px;}
.hero h1{font-size:44px; max-width:580px;}
.hero h1 .accent{background:linear-gradient(90deg,var(--violet),var(--cyan)); -webkit-background-clip:text; background-clip:text; color:transparent;}
.hero .lede{font-size:16.5px; max-width:500px; margin:16px 0 28px;}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:32px;}
.hero-stats{display:flex; gap:30px; flex-wrap:wrap;}
.hstat b{display:block; font-family:'Lexend',sans-serif; font-size:24px; color:var(--violet);}
.hstat span{font-size:12px; color:var(--grey); text-transform:uppercase; letter-spacing:.03em;}

/* Dashboard mockup visual */
.dash-mock{background:var(--dark); border-radius:20px; padding:22px; box-shadow:0 30px 60px -30px rgba(15,18,34,.5);}
.dash-mock .dash-head{display:flex; gap:6px; margin-bottom:16px;}
.dash-mock .dot{width:9px; height:9px; border-radius:50%; background:#3A3D55;}
.dash-card{background:#1B1E33; border-radius:12px; padding:16px; margin-bottom:12px;}
.dash-card .label{font-size:11px; color:#8A8DA8; text-transform:uppercase; margin-bottom:8px;}
.bar-chart{display:flex; align-items:flex-end; gap:8px; height:70px;}
.bar-chart .bar{flex:1; border-radius:4px 4px 0 0; background:linear-gradient(180deg,var(--cyan),var(--violet));}
.line-chart{height:60px;}
.dash-metrics{display:grid; grid-template-columns:1fr 1fr; gap:10px;}
.dash-metrics .m{background:#1B1E33; border-radius:10px; padding:12px;}
.dash-metrics .m b{color:#fff; font-family:'Lexend',sans-serif; font-size:18px; display:block;}
.dash-metrics .m span{font-size:11px; color:#8A8DA8;}

/* ===== Sections ===== */
section{padding:64px 0;}
.section-head{max-width:640px; margin-bottom:36px;}
.section-head h2{font-size:30px;}
.section-head .eyebrow{margin-bottom:14px;}
.section-head.center{max-width:640px; margin-left:auto; margin-right:auto; text-align:center;}

/* ===== Trust bar ===== */
.trust-bar{display:flex; justify-content:space-around; flex-wrap:wrap; gap:20px; padding:26px 0; border-top:1px solid var(--grey-light-2); border-bottom:1px solid var(--grey-light-2);}
.trust-item{text-align:center;}
.trust-item b{display:block; font-family:'Lexend',sans-serif; font-size:22px; color:var(--dark);}
.trust-item span{font-size:12px; color:var(--grey); text-transform:uppercase; letter-spacing:.03em;}

/* ===== Format belajar ===== */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.format-card{background:var(--grey-light); border-radius:16px; padding:26px; transition:.15s;}
.format-card:hover{background:var(--violet-soft);}
.format-card .icon{width:46px; height:46px; background:#fff; border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:16px; box-shadow:0 6px 16px -8px rgba(91,61,245,.3);}
.format-card h3{font-size:17px; margin-bottom:8px;}
.format-card p{font-size:13.5px; margin:0;}

/* ===== Kelas / program cards ===== */
.class-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.class-card{border:1px solid var(--grey-light-2); border-radius:16px; overflow:hidden; transition:.18s;}
.class-card:hover{border-color:var(--violet); box-shadow:0 20px 40px -26px rgba(91,61,245,.35); transform:translateY(-3px);}
.class-visual{aspect-ratio:16/9; background:linear-gradient(135deg,var(--violet-soft),#fff); display:flex; align-items:center; justify-content:center;}
.class-visual svg{width:50%;}
.class-body{padding:20px;}
.class-body .level{font-size:11px; font-weight:700; color:var(--violet); text-transform:uppercase; letter-spacing:.03em;}
.class-body h3{font-size:17px; margin:8px 0;}
.class-body p{font-size:13.5px; margin-bottom:14px;}
.class-meta{display:flex; justify-content:space-between; font-size:12px; color:var(--grey); border-top:1px solid var(--grey-light-2); padding-top:12px;}

/* ===== Kenapa Sadasa ===== */
.why-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
.why-card{display:flex; gap:16px; padding:22px; border-radius:16px; background:var(--grey-light);}
.why-card .icon{width:44px; height:44px; background:var(--dark); border-radius:12px; display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.why-card h3{font-size:16px; margin-bottom:6px;}
.why-card p{font-size:13.5px; margin:0;}

/* ===== Testimonials ===== */
.testi-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.testi-card{background:var(--grey-light); border-radius:16px; padding:24px;}
.testi-card p{font-style:italic; color:var(--ink); font-size:14px; margin-bottom:16px;}
.testi-who{display:flex; align-items:center; gap:12px;}
.avatar-initial{width:38px; height:38px; border-radius:50%; background:linear-gradient(135deg,var(--violet),var(--cyan)); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; flex-shrink:0; font-family:'Lexend',sans-serif;}
.testi-who b{font-size:13.5px; display:block;}
.testi-who span{font-size:12px; color:var(--grey);}

/* ===== Event highlight ===== */
.event-band{background:var(--dark); border-radius:20px; padding:36px; display:grid; grid-template-columns:auto 1fr auto; gap:24px; align-items:center;}
.event-date{background:var(--violet); border-radius:12px; padding:14px 18px; text-align:center; color:#fff; flex-shrink:0;}
.event-date b{display:block; font-family:'Lexend',sans-serif; font-size:22px;}
.event-date span{font-size:11px; text-transform:uppercase;}
.event-info h3{color:#fff; font-size:18px; margin-bottom:6px;}
.event-info p{color:#9A9DBA; margin:0; font-size:13.5px;}

/* ===== Blog highlight ===== */
.blog-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.blog-card{border:1px solid var(--grey-light-2); border-radius:16px; overflow:hidden;}
.blog-visual{aspect-ratio:16/10; background:var(--grey-light); display:flex; align-items:center; justify-content:center;}
.blog-visual svg{width:45%;}
.blog-body{padding:18px;}
.blog-body .tag{font-size:11px; color:var(--violet); font-weight:700; text-transform:uppercase;}
.blog-body h3{font-size:15.5px; margin:8px 0;}
.blog-body p{font-size:13px; margin:0 0 10px;}

/* ===== CTA band ===== */
.cta-band{background:linear-gradient(120deg,var(--violet),var(--violet-deep)); border-radius:20px; padding:52px 40px; text-align:center; position:relative; overflow:hidden;}
.cta-band::after{content:""; position:absolute; inset:0; background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px); background-size:22px 22px;}
.cta-band .inner{position:relative; z-index:1;}
.cta-band h2{color:#fff; font-size:28px;}
.cta-band p{color:#D7D2FA;}
.cta-band .btn{background:#fff; color:var(--violet-deep); border-color:#fff;}
.cta-band .btn:hover{background:var(--dark); color:#fff; border-color:var(--dark);}

/* ===== Footer ===== */
footer{background:var(--dark); color:#8A8DA8; padding:50px 0 26px; margin-top:20px; border-radius:28px 28px 0 0;}
.footer-grid{display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; margin-bottom:36px;}
.footer-grid .logo{color:#fff;}
.footer-grid h5{font-family:'Lexend',sans-serif; font-size:14px; color:#fff; margin-bottom:14px;}
.footer-grid a{display:block; font-size:13.5px; color:#8A8DA8; margin-bottom:10px;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; font-size:12px; color:#5F6280; border-top:1px solid #262A45; padding-top:20px; flex-wrap:wrap; gap:10px;}

/* ===== Responsive ===== */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;}
  .hero h1{font-size:32px;}
  .grid-3, .class-grid, .blog-grid{grid-template-columns:1fr 1fr;}
  .why-grid{grid-template-columns:1fr;}
  .testi-grid{grid-template-columns:1fr;}
  .event-band{grid-template-columns:1fr; text-align:center;}
  .footer-grid{grid-template-columns:1fr; gap:24px;}
  .nav-links{display:none;}
}
@media (max-width:600px){
  .grid-3, .class-grid, .blog-grid{grid-template-columns:1fr;}
  .trust-bar{gap:14px;}
}

a:focus-visible, button:focus-visible, .btn:focus-visible{outline:2px solid var(--violet); outline-offset:2px;}
@media (prefers-reduced-motion: reduce){ *{transition:none !important; scroll-behavior:auto !important;} }