/* ============================================================
   Previa Academy — Private Learning, Brighter Future
   Brand: Navy #14264A • Gold #C9A24B • Cream #FAF6EC
   ============================================================ */
:root{
  --navy:#14264a;
  --navy-deep:#0c1930;
  --navy-soft:#1f3a6b;
  --gold:#c9a24b;
  --gold-dark:#a9852f;
  --gold-light:#e9d5a3;
  --cream:#faf6ec;
  --cream-dark:#f3ecda;
  --ink:#232a3a;
  --muted:#67718a;
  --white:#ffffff;
  --line:#e8e2d2;
  --radius:18px;
  --shadow:0 18px 45px -18px rgba(12,25,48,.28);
  --font-body:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1140px,92%);margin:0 auto}
section{padding:84px 0}
.section-cream{background:var(--cream)}
.section-navy{background:linear-gradient(160deg,var(--navy-deep),var(--navy) 60%,var(--navy-soft));color:#fff}

/* ---------- Typography ---------- */
h1,h2,h3,.display{font-family:var(--font-display);line-height:1.25;color:var(--navy);font-weight:600}
.section-navy h1,.section-navy h2,.section-navy h3{color:#fff}
.eyebrow{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold-dark);margin-bottom:12px;
}
.section-navy .eyebrow{color:var(--gold-light)}
.section-head{max-width:680px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.05rem}
.section-navy .section-head p{color:#c9d2e6}
.lead{font-size:1.12rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 30px;border-radius:999px;font-weight:700;font-size:1rem;
  border:2px solid transparent;cursor:pointer;transition:.25s ease;white-space:nowrap;
}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#fff;box-shadow:0 12px 26px -10px rgba(201,162,75,.7)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(201,162,75,.8)}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-outline:hover{background:rgba(255,255,255,.14)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-2px)}
.btn-sm{padding:10px 22px;font-size:.92rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(12,25,48,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(201,162,75,.25);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand-badge{background:var(--cream);border-radius:14px;padding:5px 10px;display:flex;align-items:center;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.brand-badge img{height:44px;width:auto;border-radius:8px}
.brand-text{color:#fff;line-height:1.2}
.brand-text strong{font-family:var(--font-display);font-size:1.15rem;letter-spacing:.02em;display:block}
.brand-text span{font-size:.68rem;letter-spacing:.28em;color:var(--gold-light);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links a{color:#dbe2f2;font-weight:600;font-size:.95rem;padding:10px 14px;border-radius:10px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(201,162,75,.18)}
.nav-cta{margin-left:10px}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:10px}
.hamburger span{display:block;width:26px;height:3px;background:#fff;border-radius:3px;margin:5px 0;transition:.3s}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(700px 420px at 85% 12%,rgba(201,162,75,.22),transparent 60%),
    radial-gradient(560px 380px at 8% 88%,rgba(201,162,75,.12),transparent 60%),
    linear-gradient(155deg,var(--navy-deep) 0%,var(--navy) 55%,#1d3560 100%);
  padding:96px 0 110px;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:70px;
  background:var(--white);
  clip-path:ellipse(75% 100% at 50% 100%);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;background:rgba(201,162,75,.14);
  border:1px solid rgba(201,162,75,.45);color:var(--gold-light);
  padding:9px 20px;border-radius:999px;font-size:.85rem;font-weight:700;letter-spacing:.08em;margin-bottom:26px;
}
.hero h1{color:#fff;font-size:clamp(2.3rem,5vw,3.6rem);margin-bottom:20px}
.hero h1 .gold{color:var(--gold-light);font-style:italic}
.hero p.lead{color:#c9d2e6;max-width:520px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.hero-points{display:flex;gap:28px;flex-wrap:wrap}
.hero-points div{display:flex;align-items:center;gap:10px;color:#e6ebf7;font-weight:600;font-size:.95rem}
.hero-points .tick{
  width:26px;height:26px;border-radius:50%;background:rgba(201,162,75,.2);
  border:1px solid var(--gold);color:var(--gold-light);
  display:inline-flex;align-items:center;justify-content:center;font-size:.8rem;flex:none;
}
.hero-visual{display:flex;justify-content:center}
.hero-card{
  background:var(--cream);border-radius:26px;padding:34px 30px;text-align:center;
  box-shadow:0 30px 70px -20px rgba(0,0,0,.5);max-width:380px;width:100%;
  border:1px solid rgba(201,162,75,.4);position:relative;
}
.hero-card::before{
  content:"✦";position:absolute;top:-24px;left:50%;transform:translateX(-50%);
  width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-dark));
  color:#fff;font-size:1.4rem;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -6px rgba(201,162,75,.8);
}
.hero-card img{border-radius:16px;margin:6px auto 18px;max-height:230px;width:auto}
.hero-card h3{font-size:1.35rem;margin-bottom:6px}
.hero-card p{color:var(--muted);font-size:.95rem}
.hero-stars{color:var(--gold-dark);letter-spacing:4px;font-size:1.1rem;margin-top:10px}

/* ---------- Cards & grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;box-shadow:0 8px 24px -14px rgba(12,25,48,.18);
  transition:transform .25s ease,box-shadow .25s ease;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .icon{
  width:58px;height:58px;border-radius:16px;flex:none;
  background:linear-gradient(135deg,rgba(201,162,75,.18),rgba(201,162,75,.05));
  border:1px solid rgba(201,162,75,.5);color:var(--gold-dark);
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px;
}
.card h3{font-size:1.25rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.97rem}
.card .tag{
  position:absolute;top:18px;right:-34px;transform:rotate(38deg);
  background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#fff;
  font-size:.72rem;font-weight:800;letter-spacing:.12em;padding:5px 40px;text-transform:uppercase;
}

/* ---------- Program cards ---------- */
.program-card{display:flex;flex-direction:column}
.program-card .price{margin:16px 0 6px;font-family:var(--font-display);font-size:1.9rem;color:var(--navy)}
.program-card .price small{font-family:var(--font-body);font-size:.85rem;color:var(--muted);font-weight:600}
.program-card ul{list-style:none;margin:14px 0 24px;flex:1}
.program-card li{padding:8px 0 8px 30px;position:relative;color:var(--ink);font-size:.95rem;border-bottom:1px dashed var(--line)}
.program-card li:last-child{border-bottom:none}
.program-card li::before{content:"✓";position:absolute;left:4px;color:var(--gold-dark);font-weight:800}
.jenjang-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.chip{
  background:var(--navy);color:#fff;font-size:.8rem;font-weight:700;
  padding:7px 16px;border-radius:999px;letter-spacing:.04em;
}
.chip.gold{background:linear-gradient(135deg,var(--gold),var(--gold-dark))}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  background:rgba(255,255,255,.05);border:1px solid rgba(201,162,75,.3);
  border-radius:var(--radius);padding:30px 24px;position:relative;counter-increment:step;
}
.step::before{
  content:counter(step,decimal-leading-zero);
  font-family:var(--font-display);font-size:2.6rem;color:var(--gold);
  display:block;margin-bottom:14px;opacity:.9;
}
.step h3{color:#fff;font-size:1.12rem;margin-bottom:8px}
.step p{color:#c9d2e6;font-size:.92rem}

/* ---------- Testimonials ---------- */
.testi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 8px 24px -16px rgba(12,25,48,.2)}
.testi .stars{color:var(--gold-dark);letter-spacing:3px;margin-bottom:12px}
.testi p{font-style:italic;color:var(--ink);margin-bottom:18px;font-size:.97rem}
.testi .who{display:flex;align-items:center;gap:14px}
.testi .avatar{
  width:48px;height:48px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--navy),var(--navy-soft));color:var(--gold-light);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-family:var(--font-display);font-size:1.2rem;
}
.testi .who strong{display:block;color:var(--navy);font-size:.95rem}
.testi .who span{font-size:.82rem;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:780px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;text-align:left;
  padding:20px 24px;font-family:var(--font-body);font-weight:700;font-size:1.02rem;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-q .plus{color:var(--gold-dark);font-size:1.5rem;line-height:1;transition:.25s;flex:none}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:.97rem}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:
    radial-gradient(500px 260px at 90% 20%,rgba(201,162,75,.25),transparent 60%),
    linear-gradient(140deg,var(--navy-deep),var(--navy-soft));
  border-radius:28px;padding:64px 8%;text-align:center;color:#fff;position:relative;overflow:hidden;
  border:1px solid rgba(201,162,75,.35);
}
.cta-banner h2{color:#fff;font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:14px}
.cta-banner p{color:#c9d2e6;max-width:560px;margin:0 auto 30px}
.cta-banner .btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Page hero (subpages) ---------- */
.page-hero{
  background:
    radial-gradient(600px 300px at 85% 10%,rgba(201,162,75,.2),transparent 60%),
    linear-gradient(150deg,var(--navy-deep),var(--navy) 60%,var(--navy-soft));
  color:#fff;padding:72px 0;text-align:center;position:relative;overflow:hidden;
}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.4vw,3rem);margin-bottom:12px}
.page-hero p{color:#c9d2e6;max-width:640px;margin:0 auto}
.breadcrumb{font-size:.85rem;color:var(--gold-light);margin-bottom:14px;letter-spacing:.06em}
.breadcrumb a{opacity:.8}.breadcrumb a:hover{opacity:1;text-decoration:underline}

/* ---------- Forms ---------- */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:44px;box-shadow:var(--shadow);max-width:720px;margin:0 auto;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:.9rem;color:var(--navy)}
.field input,.field select,.field textarea{
  font-family:var(--font-body);font-size:1rem;padding:13px 16px;
  border:1.5px solid var(--line);border-radius:12px;background:var(--cream);
  transition:.2s;color:var(--ink);width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);background:#fff;box-shadow:0 0 0 4px rgba(201,162,75,.15);
}
.field textarea{min-height:110px;resize:vertical}
.form-note{font-size:.85rem;color:var(--muted);margin-top:16px;text-align:center}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-item{display:flex;gap:18px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:16px}
.contact-item .icon{
  width:52px;height:52px;border-radius:14px;flex:none;
  background:linear-gradient(135deg,var(--navy),var(--navy-soft));color:var(--gold-light);
  display:flex;align-items:center;justify-content:center;font-size:1.35rem;
}
.contact-item strong{color:var(--navy);display:block;margin-bottom:4px}
.contact-item p,.contact-item a{color:var(--muted);font-size:.95rem}
.contact-item a:hover{color:var(--gold-dark)}
.map-placeholder{
  background:var(--cream);border:2px dashed rgba(201,162,75,.6);border-radius:var(--radius);
  min-height:340px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:40px;color:var(--muted);gap:10px;
}
.map-placeholder .pin{font-size:2.6rem}

/* ---------- Pricing table ---------- */
.price-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 24px -14px rgba(12,25,48,.18);font-size:.95rem}
.price-table th{background:var(--navy);color:#fff;padding:16px;text-align:left;font-weight:700}
.price-table td{padding:15px 16px;border-bottom:1px solid var(--line)}
.price-table tr:last-child td{border-bottom:none}
.price-table tr:nth-child(even) td{background:var(--cream)}
.price-table .hl{color:var(--gold-dark);font-weight:800}

/* ---------- Checklist / lists ---------- */
.check-list{list-style:none}
.check-list li{padding:10px 0 10px 36px;position:relative;font-size:1rem}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:10px;width:24px;height:24px;border-radius:50%;
  background:rgba(201,162,75,.15);border:1px solid var(--gold);color:var(--gold-dark);
  font-size:.75rem;font-weight:800;display:flex;align-items:center;justify-content:center;
}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-visual img{border-radius:24px;box-shadow:var(--shadow);border:1px solid var(--line)}
.value-pills{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}
.misi li{margin-bottom:12px}

/* ---------- Footer ---------- */
footer{background:var(--navy-deep);color:#b9c3da;padding:64px 0 0;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-badge{display:inline-flex;margin-bottom:18px}
footer h4{color:#fff;font-family:var(--font-display);font-size:1.1rem;margin-bottom:18px}
footer ul{list-style:none}
footer ul li{margin-bottom:10px}
footer ul a:hover{color:var(--gold-light)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem;color:#8b96b3}

/* ---------- Floating WA ---------- */
.float-wa{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:60px;height:60px;border-radius:50%;
  background:#25d366;color:#fff;font-size:1.7rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 30px -8px rgba(37,211,102,.7);transition:.25s;
}
.float-wa:hover{transform:scale(1.08)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero{padding:72px 0 96px}
  .grid-3,.grid-2{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{
    position:fixed;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--navy-deep);padding:12px 4% 20px;gap:2px;
    border-bottom:1px solid rgba(201,162,75,.25);
    transform:translateY(-130%);transition:.3s ease;z-index:99;
  }
  .nav-links.open{transform:none}
  .nav-links a{display:block;padding:14px}
  .nav-cta{margin:8px 0 0}
  .nav-cta .btn{width:100%}
  .hamburger{display:block}
  .hamburger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .hamburger.open span:nth-child(2){opacity:0}
  .hamburger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
}
@media(max-width:620px){
  section{padding:60px 0}
  .grid-3,.grid-2,.grid-4,.steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-banner{padding:48px 8%}
}

/* ---------- Status form pendaftaran ---------- */
.form-status{
  margin-top:20px;padding:14px 18px;border-radius:12px;font-weight:600;font-size:.95rem;text-align:center;
}
.form-status.ok{background:#e8f7ee;border:1.5px solid #4caf7d;color:#1e6b3f}
.form-status.warn{background:#fdf3e3;border:1.5px solid #d9a441;color:#8a5a12}

/* ---------- Section aplikasi: mockup HP ---------- */
.section-navy .check-list li{color:#e6ebf7}
.soon-badge{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.06em;
  color:var(--gold-light);border:1px dashed rgba(201,162,75,.6);
  padding:9px 18px;border-radius:999px;background:rgba(201,162,75,.1);
}
.phone-mock{
  width:270px;border-radius:38px;padding:12px;
  background:linear-gradient(160deg,#0c1930,#1f3a6b);
  border:1px solid rgba(201,162,75,.5);
  box-shadow:0 30px 70px -20px rgba(0,0,0,.55);
}
.phone-notch{
  width:110px;height:22px;background:#0c1930;border-radius:0 0 14px 14px;margin:0 auto 10px;
  border:1px solid rgba(255,255,255,.12);border-top:none;
}
.phone-screen{background:var(--cream);border-radius:26px;padding:18px 14px;min-height:380px}
.phone-hello{font-weight:800;color:var(--navy);font-size:1rem;margin-bottom:4px}
.phone-stars{font-size:.8rem;color:var(--gold-dark);font-weight:700;margin-bottom:12px}
.phone-menu{
  display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:12px;
  font-size:.62rem;text-align:center;color:var(--navy);font-weight:700;line-height:1.5;
}
.phone-menu span{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 2px}
.phone-card{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:10px 12px;margin-bottom:10px;font-size:.72rem;color:var(--muted);
}
.phone-card strong{color:var(--navy);display:block;font-size:.78rem;margin-bottom:2px}
.phone-card.gold{background:linear-gradient(135deg,#fbf3df,#f5e8c8);border-color:rgba(201,162,75,.5)}
@media(max-width:960px){.phone-mock{margin-top:10px}}