/* Kursus Yoga Serena — Zen Purple Theme */
:root {
  --clr-bg: #f8f5fc;
  --clr-surface: #ffffff;
  --clr-primary: #7c3aed;
  --clr-primary-dark: #5b21b6;
  --clr-primary-light: #a78bfa;
  --clr-accent: #c4b5fd;
  --clr-accent2: #ede9fe;
  --clr-gold: #d97706;
  --clr-text: #1e1033;
  --clr-text-muted: #5b4680;
  --clr-text-light: #9e8cb8;
  --clr-white: #ffffff;
  --clr-border: #ddd6fe;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 28px rgba(124,58,237,0.11);
  --shadow-card: 0 2px 14px rgba(124,58,237,0.07);
  --font: -apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--clr-bg);color:var(--clr-text);line-height:1.7;min-height:100vh}

/* DEMO BAR */
.demo-bar{background:linear-gradient(90deg,var(--clr-primary-dark),var(--clr-primary));color:var(--clr-white);text-align:center;padding:.45rem 1rem;font-size:.8rem;display:flex;align-items:center;justify-content:center;gap:.8rem;flex-wrap:wrap;z-index:1000}
.demo-bar span{opacity:.9;font-weight:600;letter-spacing:.03em}
.demo-bar a{color:var(--clr-accent);font-weight:700;text-decoration:none;padding:.18rem .65rem;border:1px solid var(--clr-accent);border-radius:20px;transition:background .2s,color .2s}
.demo-bar a:hover{background:var(--clr-accent);color:var(--clr-primary-dark)}

/* NAV */
nav.site-nav{background:var(--clr-surface);border-bottom:1px solid var(--clr-border);position:sticky;top:0;z-index:900;box-shadow:var(--shadow-card)}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 1.2rem;display:flex;align-items:center;justify-content:space-between;height:62px;position:relative}
.nav-brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--clr-primary);font-weight:700;font-size:1.1rem}
.nav-brand small{display:block;font-size:.7rem;font-weight:400;color:var(--clr-text-muted);line-height:1}

/* checkbox hack */
#menu-toggle{display:none}
.menu-label{display:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px;border-radius:6px}
.menu-label span{display:block;width:24px;height:2px;background:var(--clr-primary);border-radius:2px;transition:.3s}
#menu-toggle:checked ~ .menu-label span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#menu-toggle:checked ~ .menu-label span:nth-child(2){opacity:0}
#menu-toggle:checked ~ .menu-label span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-links{display:flex;gap:.15rem;list-style:none;align-items:center}
.nav-links a{text-decoration:none;color:var(--clr-text-muted);font-size:.9rem;padding:.4rem .85rem;border-radius:var(--radius-sm);transition:color .2s,background .2s}
.nav-links a:hover,.nav-links a.active{color:var(--clr-primary);background:var(--clr-accent2)}
.nav-links .cta-nav{background:var(--clr-primary);color:var(--clr-white)!important;padding:.45rem 1.1rem;border-radius:20px;font-weight:700}
.nav-links .cta-nav:hover{background:var(--clr-primary-dark)}

/* CONTAINER */
.container{max-width:1100px;margin:0 auto;padding:0 1.2rem}

/* HERO */
.hero{background:linear-gradient(135deg,#2e1065 0%,#7c3aed 55%,#a78bfa 100%);color:var(--clr-white);padding:5rem 1.2rem 4rem;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 25% 65%,rgba(196,181,253,.15) 0%,transparent 55%),radial-gradient(ellipse at 78% 20%,rgba(124,58,237,.2) 0%,transparent 50%)}
.hero-inner{position:relative;max-width:700px;margin:0 auto}
.hero-eyebrow{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);padding:.28rem 1rem;border-radius:20px;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.2rem}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:700;line-height:1.15;margin-bottom:1rem}
.hero p{font-size:1.05rem;opacity:.88;margin-bottom:2rem;max-width:560px;margin-left:auto;margin-right:auto}
.hero-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* BUTTONS */
.btn-primary{background:var(--clr-white);color:var(--clr-primary);padding:.85rem 2rem;border-radius:30px;font-weight:700;font-size:1rem;text-decoration:none;display:inline-block;transition:transform .2s,box-shadow .2s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.16)}
.btn-outline{border:2px solid rgba(255,255,255,.7);color:var(--clr-white);padding:.85rem 2rem;border-radius:30px;font-weight:600;font-size:1rem;text-decoration:none;display:inline-block;transition:background .2s}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-purple{background:var(--clr-primary);color:var(--clr-white);padding:.75rem 1.8rem;border-radius:30px;font-weight:700;font-size:.95rem;text-decoration:none;display:inline-block;border:none;cursor:pointer;transition:background .2s,transform .2s}
.btn-purple:hover{background:var(--clr-primary-dark);transform:translateY(-1px)}
.btn-submit{background:var(--clr-primary);color:var(--clr-white);border:none;padding:.9rem 2rem;border-radius:30px;font-size:1rem;font-weight:700;cursor:pointer;width:100%;transition:background .2s,transform .2s;font-family:var(--font)}
.btn-submit:hover{background:var(--clr-primary-dark);transform:translateY(-1px)}

/* SECTION */
section{padding:4rem 0}
.alt-bg{background:var(--clr-surface)}
.section-header{text-align:center;margin-bottom:2.5rem}
.section-eyebrow{font-size:.75rem;letter-spacing:.13em;text-transform:uppercase;color:var(--clr-primary);font-weight:700;margin-bottom:.5rem}
.section-header h2{font-size:clamp(1.5rem,3vw,2.2rem);color:var(--clr-text);font-weight:700}
.section-header p{color:var(--clr-text-muted);margin-top:.5rem;font-size:.95rem}
.divider-line{width:48px;height:3px;background:linear-gradient(90deg,var(--clr-primary),var(--clr-accent));border-radius:2px;margin:.8rem auto 0}

/* PAGE HEADER */
.page-header{background:linear-gradient(135deg,#2e1065 0%,#7c3aed 80%);color:var(--clr-white);padding:3.5rem 1.2rem;text-align:center}
.page-header h1{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;margin-bottom:.7rem}
.page-header p{opacity:.88;font-size:1rem;max-width:580px;margin:0 auto}

/* BREADCRUMB */
.breadcrumb{padding:.8rem 0;font-size:.82rem;color:var(--clr-text-muted)}
.breadcrumb a{color:var(--clr-primary);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}

/* GRID */
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:1.5rem}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem}

/* CARDS */
.card{background:var(--clr-surface);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow-card);border:1px solid var(--clr-border);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-icon{width:52px;height:52px;background:var(--clr-accent2);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem}
.card h3{font-size:1.05rem;color:var(--clr-text);margin-bottom:.45rem;font-weight:700}
.card p{color:var(--clr-text-muted);font-size:.9rem}

/* BADGE */
.badge{display:inline-block;background:var(--clr-accent2);color:var(--clr-primary);font-size:.73rem;font-weight:700;padding:.2rem .65rem;border-radius:20px;margin-bottom:.6rem}
.badge-gold{background:#fef3c7;color:var(--clr-gold)}

/* STATS */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.2rem;text-align:center;padding:2.5rem 0}
.stat-box{background:var(--clr-surface);border-radius:var(--radius);padding:1.5rem 1rem;box-shadow:var(--shadow-card);border:1px solid var(--clr-border)}
.stat-num{font-size:2.2rem;font-weight:700;color:var(--clr-primary);line-height:1}
.stat-label{font-size:.82rem;color:var(--clr-text-muted);margin-top:.3rem}

/* FEATURE ROW */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.feature-visual{background:linear-gradient(135deg,var(--clr-accent2) 0%,var(--clr-accent) 100%);border-radius:var(--radius);padding:2.5rem;display:flex;align-items:center;justify-content:center;min-height:240px}
.feature-text h2{font-size:clamp(1.4rem,3vw,2rem);margin-bottom:1rem;color:var(--clr-text);font-weight:700}
.feature-text p{color:var(--clr-text-muted);margin-bottom:1.2rem;font-size:.93rem}
.check-list{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.check-list li{display:flex;gap:.65rem;align-items:flex-start;color:var(--clr-text-muted);font-size:.9rem}
.check-icon{color:var(--clr-primary);flex-shrink:0;margin-top:.1rem}

/* PRICING */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;align-items:start}
.pricing-card{background:var(--clr-surface);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-card);border:2px solid var(--clr-border);text-align:center;transition:transform .25s,box-shadow .25s}
.pricing-card.featured{border-color:var(--clr-primary);background:linear-gradient(160deg,#f3eafc 0%,var(--clr-surface) 100%)}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pricing-name{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--clr-text-muted);margin-bottom:.5rem}
.pricing-featured-label{display:inline-block;background:var(--clr-primary);color:#fff;font-size:.7rem;font-weight:700;padding:.15rem .7rem;border-radius:20px;margin-bottom:.7rem}
.price{font-size:2.1rem;font-weight:700;color:var(--clr-primary);line-height:1}
.price sup{font-size:1rem;vertical-align:top;margin-top:.5rem;display:inline-block}
.price-period{font-size:.82rem;color:var(--clr-text-muted);margin-bottom:1.2rem;margin-top:.15rem}
.pricing-features{list-style:none;text-align:left;margin-bottom:1.5rem;display:flex;flex-direction:column;gap:.5rem}
.pricing-features li{font-size:.88rem;color:var(--clr-text-muted);display:flex;gap:.5rem}

/* TESTIMONIALS */
.testimonial-card{background:var(--clr-surface);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow-card);border:1px solid var(--clr-border)}
.stars{color:var(--clr-gold);font-size:.95rem;margin-bottom:.65rem;letter-spacing:1px}
.testi-text{font-style:italic;color:var(--clr-text-muted);margin-bottom:1rem;font-size:.9rem}
.testi-author{display:flex;align-items:center;gap:.75rem}
.author-avatar{width:40px;height:40px;background:linear-gradient(135deg,var(--clr-primary),var(--clr-accent));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.88rem;flex-shrink:0}
.author-name{font-weight:700;font-size:.9rem;color:var(--clr-text)}
.author-role{font-size:.75rem;color:var(--clr-text-light)}

/* CTA BANNER */
.cta-banner{background:linear-gradient(135deg,var(--clr-primary-dark) 0%,var(--clr-primary) 100%);color:var(--clr-white);padding:3.5rem 1.2rem;text-align:center;border-radius:var(--radius);margin:2rem 0}
.cta-banner h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:.7rem}
.cta-banner p{opacity:.88;margin-bottom:1.8rem;font-size:.95rem}

/* FORM */
.form-wrap{background:var(--clr-surface);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-card);border:1px solid var(--clr-border)}
.form-group{margin-bottom:1.2rem}
.form-group label{display:block;font-size:.87rem;font-weight:600;color:var(--clr-text);margin-bottom:.35rem}
.form-group input,.form-group select,.form-group textarea{width:100%;border:1.5px solid var(--clr-border);border-radius:var(--radius-sm);padding:.75rem 1rem;font-family:var(--font);font-size:.93rem;color:var(--clr-text);background:var(--clr-surface);transition:border-color .2s,box-shadow .2s;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--clr-primary);box-shadow:0 0 0 3px rgba(124,58,237,.1)}
.form-group textarea{resize:vertical;min-height:110px}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* SCHEDULE TABLE */
.schedule-wrap{overflow-x:auto}
.schedule-table{width:100%;border-collapse:collapse;font-size:.88rem}
.schedule-table th{background:var(--clr-primary);color:#fff;padding:.75rem 1rem;text-align:left;font-weight:700}
.schedule-table td{padding:.7rem 1rem;border-bottom:1px solid var(--clr-border);color:var(--clr-text-muted)}
.schedule-table tr:hover td{background:#faf7ff}
.lv-pemula{display:inline-block;padding:.15rem .55rem;border-radius:20px;font-size:.72rem;font-weight:700;background:#e8f5e9;color:#388e3c}
.lv-menengah{display:inline-block;padding:.15rem .55rem;border-radius:20px;font-size:.72rem;font-weight:700;background:#fff3e0;color:#e65100}
.lv-lanjutan{display:inline-block;padding:.15rem .55rem;border-radius:20px;font-size:.72rem;font-weight:700;background:#fce4ec;color:#c62828}
.lv-semua{display:inline-block;padding:.15rem .55rem;border-radius:20px;font-size:.72rem;font-weight:700;background:var(--clr-accent2);color:var(--clr-primary)}

/* INSTRUCTOR */
.instructor-card{background:var(--clr-surface);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow-card);border:1px solid var(--clr-border);text-align:center}
.instr-avatar{width:88px;height:88px;border-radius:50%;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;font-size:1.8rem;font-weight:700;color:#fff}
.instructor-card h3{font-size:1.05rem;color:var(--clr-text);margin-bottom:.25rem;font-weight:700}
.instr-title{font-size:.82rem;color:var(--clr-primary);font-weight:700;margin-bottom:.6rem}
.instructor-card p{font-size:.86rem;color:var(--clr-text-muted)}
.instr-cert{display:inline-flex;align-items:center;gap:.3rem;background:var(--clr-accent2);color:var(--clr-primary);font-size:.73rem;font-weight:700;padding:.2rem .65rem;border-radius:20px;margin-top:.6rem}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:.7rem}
.faq-item{background:var(--clr-surface);border:1px solid var(--clr-border);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{padding:1rem 1.2rem;font-weight:700;color:var(--clr-text);font-size:.93rem;border-left:3px solid var(--clr-primary)}
.faq-a{padding:.1rem 1.2rem 1rem;color:var(--clr-text-muted);font-size:.88rem}

/* KONTAK INFO */
.kontak-info-card{background:var(--clr-surface);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow-card);border:1px solid var(--clr-border)}
.kontak-info-card h3{font-size:1rem;font-weight:700;color:var(--clr-text);margin-bottom:1.2rem}
.kontak-item{display:flex;align-items:flex-start;gap:.8rem;margin-bottom:1rem}
.kontak-icon-box{width:38px;height:38px;background:var(--clr-accent2);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.kontak-detail{font-size:.87rem;color:var(--clr-text-muted)}
.kontak-detail strong{display:block;font-size:.78rem;color:var(--clr-text-light);margin-bottom:.1rem;font-weight:600}
.kontak-detail a{color:var(--clr-primary);text-decoration:none;font-weight:600}
.kontak-detail a:hover{text-decoration:underline}

/* MAP PLACEHOLDER */
.map-box{background:linear-gradient(135deg,var(--clr-accent2),var(--clr-accent));border-radius:var(--radius);height:200px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:.5rem;color:var(--clr-primary);font-weight:700;margin-top:1.2rem}

/* FOOTER */
footer{background:#1e1033;color:#c4b5fd;padding:3rem 1.2rem 1.5rem}
.footer-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:2rem;margin-bottom:2rem}
.footer-brand{color:var(--clr-white);font-size:1.05rem;font-weight:700;margin-bottom:.55rem;display:flex;align-items:center;gap:.5rem}
.footer-tagline{font-size:.82rem;color:#a78bfa;margin-bottom:0}
.footer-col h4{color:var(--clr-white);font-size:.88rem;margin-bottom:.8rem;font-weight:700}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:.4rem}
.footer-col ul li a{color:#c4b5fd;text-decoration:none;font-size:.85rem;transition:color .2s}
.footer-col ul li a:hover{color:var(--clr-accent)}
.footer-bottom{max-width:1100px;margin:0 auto;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;font-size:.78rem}

/* RESPONSIVE */
@media(max-width:768px){
  .menu-label{display:flex}
  .nav-links{display:none;position:absolute;top:62px;left:0;right:0;background:var(--clr-surface);border-bottom:1px solid var(--clr-border);flex-direction:column;padding:1rem;gap:.3rem;box-shadow:0 8px 24px rgba(0,0,0,.08)}
  #menu-toggle:checked ~ .nav-links{display:flex}
  .nav-links a{padding:.65rem 1rem;border-radius:var(--radius-sm)}
  .feature-row{grid-template-columns:1fr}
  .feature-visual{min-height:180px}
  .hero{padding:3rem 1.2rem 2.5rem}
  section{padding:3rem 0}
  .form-row-2{grid-template-columns:1fr}
}
@media(max-width:480px){
  .hero-btns{flex-direction:column;align-items:center}
  .btn-primary,.btn-outline{width:100%;text-align:center}
  .stats-row{grid-template-columns:1fr 1fr}
}