/* ============================================================
   14. LANDING PAGE PUBLIC STYLES
   Tema TERANG adalah bawaan (sejak 1.6.0). Tema gelap: kelas .tema-gelap pada #landing-section
   (diatur lewat BRAND.tema di brand.config.js atau menu admin "Konten Landing").
   Semua warna lewat variabel --lp-*; aksen mengikuti warna klien (--primary dan turunannya).
   ============================================================ */
#landing-section {
    --lp-bg: #ffffff;
    --lp-band: rgba(var(--primary-rgb), 0.05);
    --lp-surface: #ffffff;
    --lp-chip: #ffffff;
    --lp-border: #e3e8f1;
    --lp-text: #0f172a;
    --lp-muted: #526079;
    --lp-soft: #3b475c;
    --lp-accent: var(--primary-dark);
    --lp-accent-bg: rgba(var(--primary-rgb), 0.1);
    --lp-accent-line: rgba(var(--primary-rgb), 0.28);
    --lp-nav-bg: rgba(255, 255, 255, 0.9);
    --lp-nav-link: #475569;
    --lp-nav-link-hover: #0f172a;
    --lp-shadow: 0 10px 32px rgba(15, 23, 42, 0.07);
    --lp-shadow-hover: 0 14px 38px rgba(15, 23, 42, 0.12);
    --lp-hero-bg: linear-gradient(180deg, rgba(var(--primary-rgb), 0.12) 0%, rgba(var(--primary-rgb), 0.04) 60%, rgba(255, 255, 255, 0) 100%);
    --lp-btn1-bg: var(--primary);
    --lp-btn1-text: var(--on-primary, #ffffff);
    --lp-btn1-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.3);
    --lp-btn2-bg: #ffffff;
    --lp-btn2-text: var(--primary-dark);
    --lp-btn2-border: var(--lp-accent-line);
    --lp-faq-open: rgba(var(--primary-rgb), 0.05);
    --lp-foot-bg: var(--landing-bg);
    --lp-foot-text: #94a3b8;
    --lp-foot-link: #e2e8f0;
    --lp-doodle: 0;
    background-color: var(--lp-bg); color: var(--lp-text); min-height: 100vh; font-family: var(--font-utama, 'Plus Jakarta Sans', sans-serif); position: relative; overflow: hidden;
}
#landing-section.tema-gelap {
    --lp-bg: var(--landing-bg);
    --lp-band: transparent;
    --lp-surface: rgba(30, 41, 59, 0.6);
    --lp-chip: rgba(30, 41, 59, 0.6);
    --lp-border: rgba(255, 255, 255, 0.1);
    --lp-text: #ffffff;
    --lp-muted: #94a3b8;
    --lp-soft: #cbd5e1;
    --lp-accent: var(--primary-bright);
    --lp-accent-bg: rgba(var(--primary-rgb), 0.2);
    --lp-accent-line: rgba(var(--primary-mid-rgb), 0.35);
    --lp-nav-bg: rgba(11, 19, 41, 0.85);
    --lp-nav-link: #94a3b8;
    --lp-nav-link-hover: #ffffff;
    --lp-shadow: none;
    --lp-shadow-hover: none;
    --lp-hero-bg: radial-gradient(circle at top center, rgba(var(--primary-rgb), 0.25) 0%, transparent 70%);
    --lp-btn1-bg: #10b981;
    --lp-btn1-text: #ffffff;
    --lp-btn1-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
    --lp-btn2-bg: rgba(255, 255, 255, 0.1);
    --lp-btn2-text: #ffffff;
    --lp-btn2-border: rgba(255, 255, 255, 0.2);
    --lp-faq-open: rgba(15, 23, 42, 0.4);
    --lp-foot-bg: transparent;
    --lp-foot-text: #64748b;
    --lp-foot-link: #cbd5e1;
    --lp-doodle: 0.08;
}

/* Doodle akademik (hanya tema gelap) */
.academic-doodles { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; opacity: var(--lp-doodle); font-family: 'Times New Roman', serif; font-style: italic; font-weight: bold; overflow: hidden; }
#landing-section:not(.tema-gelap) .academic-doodles { display: none; }
.doodle { position: absolute; font-size: 45px; color: var(--primary-bright); white-space: nowrap; }
.float-1 { animation: float 10s ease-in-out infinite; }
.float-2 { animation: float 12s ease-in-out infinite reverse; }
.float-3 { animation: float 14s ease-in-out infinite 1s; }
@keyframes float { 0% { transform: translateY(0px) rotate(0deg); } 50% { transform: translateY(-25px) rotate(6deg); } 100% { transform: translateY(0px) rotate(0deg); } }

/* Pita latar penuh selebar layar untuk bagian bernada (tanpa pembungkus tambahan) */
.lp-band { background: var(--lp-band); box-shadow: 0 0 0 100vmax var(--lp-band); clip-path: inset(0 -100vmax); }

/* Navbar */
.public-navbar { position: sticky; top: 0; z-index: 999; background: var(--lp-nav-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--lp-border); padding: 14px 0; }
.public-nav-container { max-width: 1150px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.public-brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.public-brand img { width: 38px; height: 38px; border-radius: 50%; background: white; padding: 2px; flex: none; box-shadow: 0 0 0 1px var(--lp-border); }
.public-brand h2 { margin: 0; font-size: 18px; font-weight: 800; color: var(--lp-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.public-nav-links { display: flex; align-items: center; gap: 22px; }
.public-nav-links a { color: var(--lp-nav-link); text-decoration: none; font-size: 14px; font-weight: 600; transition: color 0.2s; }
.public-nav-links a:hover { color: var(--lp-nav-link-hover); }
.public-nav-links a.btn-nav-wa { background: var(--lp-btn1-bg); color: var(--lp-btn1-text); padding: 9px 18px; border-radius: 10px; font-size: 13px; font-weight: 700; }
.public-nav-links a.btn-nav-wa:hover { color: var(--lp-btn1-text); filter: brightness(1.06); }
.btn-nav-login { width: auto !important; padding: 8px 16px !important; margin: 0 !important; font-size: 13px !important; border-radius: 10px !important; background: var(--lp-btn2-bg) !important; color: var(--lp-btn2-text) !important; border: 1px solid var(--lp-btn2-border) !important; box-shadow: none !important; }
.btn-nav-login:hover { filter: brightness(0.97); transform: none !important; }

/* Hero Section */
.public-hero { padding: 80px 20px 64px 20px; text-align: center; background: var(--lp-hero-bg); position: relative; z-index: 2; }
.hero-container { max-width: 800px; margin: 0 auto; }
.hero-tag { background: var(--lp-accent-bg); color: var(--lp-accent); border: 1px solid var(--lp-accent-line); padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 700; display: inline-block; margin-bottom: 20px; }
.public-hero h1 { font-size: 42px; font-weight: 800; line-height: 1.25; margin: 0 0 20px 0; color: var(--lp-text); letter-spacing: -1px; }
.public-hero p { font-size: 16px; color: var(--lp-muted); line-height: 1.6; margin: 0 0 32px 0; }
.hero-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.btn-hero-wa { background: var(--lp-btn1-bg); color: var(--lp-btn1-text); text-decoration: none; padding: 14px 26px; border-radius: 12px; font-weight: 700; font-size: 14px; transition: transform 0.2s, box-shadow 0.2s; box-shadow: var(--lp-btn1-shadow); display: inline-block; }
.btn-hero-wa:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn-hero-login { background: var(--lp-btn2-bg); color: var(--lp-btn2-text); border: 1px solid var(--lp-btn2-border); padding: 14px 26px; border-radius: 12px; font-weight: 700; font-size: 14px; cursor: pointer; width: auto !important; margin: 0 !important; transition: background 0.2s, transform 0.2s; box-shadow: none !important; }
.btn-hero-login:hover { filter: brightness(0.97); transform: translateY(-2px); }

/* Baris angka (opsional) */
.hero-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; }
.hero-stats.hidden { display: none; }
.stat-chip { min-width: 112px; padding: 12px 18px; background: var(--lp-surface); border: 1px solid var(--lp-border); border-radius: 14px; box-shadow: var(--lp-shadow); text-align: left; }
.stat-chip strong { display: block; font-size: 24px; font-weight: 800; line-height: 1.15; color: var(--lp-accent); }
.stat-chip span { display: block; margin-top: 2px; font-size: 12px; font-weight: 600; color: var(--lp-muted); }

/* Foto hero (opsional). Tanpa foto, hero tetap satu kolom di tengah. */
.hero-container.dengan-foto { max-width: 1100px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; text-align: left; }
.hero-container.dengan-foto .hero-actions, .hero-container.dengan-foto .hero-stats { justify-content: flex-start; }
.hero-foto { position: relative; }
.hero-foto img { width: 100%; max-height: 420px; object-fit: cover; border-radius: 24px; border: 1px solid var(--lp-border); box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18); display: block; }
@media (max-width: 860px) {
    .hero-container.dengan-foto { grid-template-columns: 1fr; gap: 32px; text-align: center; }
    .hero-container.dengan-foto .hero-actions, .hero-container.dengan-foto .hero-stats { justify-content: center; }
    .hero-foto { order: -1; }
    .hero-foto img { max-height: 300px; }
}

/* Promo Banner Section */
.public-promo { padding: 20px; position: relative; z-index: 2; margin-top: -24px; }
.promo-container { max-width: 900px; margin: 0 auto; background: linear-gradient(135deg, var(--aksen, #f59e0b), var(--aksen-2, #fbbf24)); border-radius: 20px; padding: 3px; box-shadow: 0 15px 40px rgba(var(--aksen-rgb, 245, 158, 11), 0.2); transition: transform 0.3s; }
.promo-container:hover { transform: translateY(-3px); }
.promo-content { background: var(--aksen-bg, #fffbeb); border-radius: 17px; padding: 25px 35px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.promo-icon { font-size: 40px; line-height: 1; }
.promo-text { flex: 1; min-width: 250px; }
.promo-text h3 { color: var(--aksen-teks, #b45309); margin: 0 0 5px 0; font-size: 20px; font-weight: 800; }
.promo-text p { color: #44403c; margin: 0; font-size: 14px; line-height: 1.5; }
.promo-text p span { color: var(--aksen-teks, #b45309); font-weight: 700; }
.btn-promo-claim { background: linear-gradient(135deg, var(--aksen, #f59e0b), var(--aksen-2, #fbbf24)); color: var(--aksen-btn-teks, #0f172a); font-weight: 800; text-decoration: none; padding: 14px 28px; border-radius: 12px; font-size: 15px; white-space: nowrap; transition: 0.2s; box-shadow: 0 4px 15px rgba(var(--aksen-rgb, 245, 158, 11), 0.2); }
.btn-promo-claim:hover { filter: brightness(1.1); box-shadow: 0 8px 25px rgba(var(--aksen-rgb, 245, 158, 11), 0.4); }
.tema-gelap .promo-content { background: #0f172a; }
.tema-gelap .promo-text h3, .tema-gelap .promo-text p span { color: var(--aksen-terang, #fbbf24); }
.tema-gelap .promo-text p { color: #e2e8f0; }

/* Judul bagian */
.section-title-center { text-align: center; max-width: 620px; margin: 0 auto 44px auto; position: relative; z-index: 2; }
.section-title-center h2 { font-size: 28px; font-weight: 800; color: var(--lp-text); margin: 0 0 10px 0; letter-spacing: -0.4px; }
.section-title-center p { color: var(--lp-muted); font-size: 14px; line-height: 1.6; margin: 0; }

/* Mata Pelajaran (chip, diisi dari js/core/subjects.js) */
.public-subjects { padding: 50px 20px 44px 20px; max-width: 1150px; margin: 0 auto; position: relative; z-index: 2; }
.public-subjects .section-title-center { margin-bottom: 28px; }
.subject-chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.subject-chip { background: var(--lp-chip); border: 1px solid var(--lp-border); border-radius: 50px; padding: 10px 20px; font-size: 14px; font-weight: 700; color: var(--lp-soft); box-shadow: var(--lp-shadow); }
.subject-chip-more { background: var(--lp-accent-bg); border-color: var(--lp-accent-line); color: var(--lp-accent); box-shadow: none; }

/* Keunggulan, metode, tutor: kartu */
.public-features, .public-metode, .public-testi { padding: 72px 20px; max-width: 1150px; margin: 0 auto; position: relative; z-index: 2; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.feature-card { background: var(--lp-surface); border: 1px solid var(--lp-border); border-radius: 20px; padding: 28px 24px; box-shadow: var(--lp-shadow); transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s; }
.feature-card:hover { transform: translateY(-5px); border-color: var(--lp-accent-line); box-shadow: var(--lp-shadow-hover); }
.feature-icon { width: 54px; height: 54px; border-radius: 16px; background: var(--lp-accent-bg); display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--lp-text); margin: 0 0 10px 0; }
.feature-card p { font-size: 13px; color: var(--lp-muted); line-height: 1.6; margin: 0; }

/* Metode belajar bernomor (opsional) */
.langkah-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; counter-reset: langkah; }
.langkah-card { position: relative; background: var(--lp-surface); border: 1px solid var(--lp-border); border-radius: 20px; padding: 26px 24px; box-shadow: var(--lp-shadow); }
.langkah-no { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 13px; background: var(--primary); color: var(--on-primary, #ffffff); font-size: 15px; font-weight: 800; margin-bottom: 14px; }
.langkah-card h3 { font-size: 17px; font-weight: 700; color: var(--lp-text); margin: 0 0 8px; }
.langkah-card p { font-size: 13px; color: var(--lp-muted); line-height: 1.6; margin: 0; }

/* Testimoni (opsional) */
.testi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px; }
.testi-card { margin: 0; background: var(--lp-surface); border: 1px solid var(--lp-border); border-radius: 20px; padding: 24px; box-shadow: var(--lp-shadow); display: flex; flex-direction: column; gap: 18px; }
.testi-card blockquote { margin: 0; font-size: 14px; line-height: 1.7; color: var(--lp-soft); }
.testi-card figcaption { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.testi-avatar { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--lp-accent-bg); color: var(--lp-accent); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 15px; }
.testi-card figcaption strong { display: block; font-size: 14px; color: var(--lp-text); }
.testi-card figcaption small { display: block; font-size: 12px; color: var(--lp-muted); margin-top: 1px; }

/* Pricing / Program Section */
.public-pricing { padding: 60px 20px 90px 20px; max-width: 900px; margin: 0 auto; position: relative; z-index: 2; }
.public-pricing.banyak-paket { max-width: 1200px; }   /* 3 paket atau lebih: tiga kolom di layar lebar */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
.pricing-card { background: var(--lp-surface); border: 1px solid var(--lp-border); border-radius: 24px; padding: 34px 28px; position: relative; display: flex; flex-direction: column; box-shadow: var(--lp-shadow); }
.pricing-card.highlighted { border-color: var(--primary); background: linear-gradient(180deg, rgba(var(--primary-rgb), 0.1) 0%, var(--lp-surface) 46%); box-shadow: 0 20px 44px rgba(var(--primary-rgb), 0.2); }
.tema-gelap .pricing-card.highlighted { background: linear-gradient(180deg, rgba(var(--primary-rgb), 0.15) 0%, rgba(30, 41, 59, 0.8) 100%); }
.pricing-badge { position: absolute; top: 20px; right: 20px; background: var(--lp-accent-bg); color: var(--lp-accent); padding: 4px 12px; border-radius: 50px; font-size: 11px; font-weight: 700; }
.pricing-badge.gold { background: var(--aksen, #f59e0b); color: var(--aksen-btn-teks, #ffffff); }
.pricing-card h3 { font-size: 20px; color: var(--lp-text); margin: 0 0 10px 0; }
.pricing-card .price { font-size: 28px; font-weight: 800; color: var(--lp-accent); margin-bottom: 4px; }
.pricing-card .price-sub { font-size: 12px; color: var(--lp-muted); margin: 0 0 24px 0; }
.pricing-features { list-style: none; padding: 0; margin: 0 0 20px 0; flex: 1; }
.pricing-features li { font-size: 13px; color: var(--lp-soft); margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.pricing-features li::before { content: "✓"; color: #10b981; font-weight: 800; }

.btn-pricing { display: block; text-align: center; padding: 14px; border-radius: 12px; background: var(--lp-accent-bg); color: var(--lp-accent); text-decoration: none; font-weight: 700; font-size: 14px; transition: filter 0.2s; }
.btn-pricing:hover { filter: brightness(0.96); }
.btn-gold { background: var(--primary); color: var(--on-primary, #ffffff); }
.btn-gold:hover { background: var(--primary-hover); filter: none; }
.tema-gelap .btn-pricing { background: rgba(255, 255, 255, 0.1); color: #ffffff; }
.tema-gelap .btn-pricing:hover { background: rgba(255, 255, 255, 0.2); filter: none; }
.tema-gelap .btn-gold { background: var(--primary); color: #ffffff; }

/* Profil tutor */
#tutor-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 320px)); justify-content: center; }
.tutor-card { text-align: center; }
.tutor-avatar { width: 72px; height: 72px; margin: 0 auto 14px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--primary); color: var(--on-primary, #ffffff); font-size: 24px; font-weight: 800; box-shadow: 0 0 0 4px var(--lp-surface), 0 0 0 7px rgba(var(--primary-rgb), 0.35); }
.tutor-card .tutor-mapel { color: var(--lp-accent); font-weight: 700; margin-bottom: 8px; }

/* Galeri kegiatan (opsional) */
.public-gallery { padding: 64px 20px; max-width: 1150px; margin: 0 auto; position: relative; z-index: 2; }
.galeri-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.galeri-item { margin: 0; background: var(--lp-surface); border: 1px solid var(--lp-border); border-radius: 18px; overflow: hidden; box-shadow: var(--lp-shadow); }
.galeri-btn { display: block; width: 100% !important; margin: 0 !important; padding: 0; border: 0; background: none; cursor: zoom-in; box-shadow: none; border-radius: 0; }
.galeri-btn:hover { transform: none; box-shadow: none; filter: brightness(1.08); }
.galeri-btn img { width: 100%; height: 190px; object-fit: cover; display: block; }
.galeri-item figcaption { padding: 12px 14px; font-size: 13px; color: var(--lp-soft); line-height: 1.5; }
.galeri-lightbox { position: fixed; inset: 0; z-index: 2000; background: rgba(5, 10, 24, 0.92); display: flex; align-items: center; justify-content: center; padding: 20px; }
.galeri-lightbox.hidden { display: none; }
.galeri-lightbox figure { margin: 0; max-width: 960px; width: 100%; text-align: center; }
.galeri-lightbox img { max-width: 100%; max-height: 78vh; border-radius: 14px; }
.galeri-lightbox figcaption { margin-top: 12px; color: #e2e8f0; font-size: 14px; }
.galeri-tutup { position: absolute; top: 14px; right: 18px; width: 44px !important; height: 44px; margin: 0 !important; padding: 0; border-radius: 50% !important; background: rgba(255, 255, 255, 0.12); color: #ffffff; font-size: 28px; line-height: 1; border: 0; cursor: pointer; }
.galeri-tutup:hover { background: rgba(255, 255, 255, 0.22); }

/* FAQ Section */
.public-faq { padding: 64px 20px 90px 20px; max-width: 800px; margin: 0 auto; position: relative; z-index: 2; }
.faq-container { display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--lp-surface); border: 1px solid var(--lp-border); border-radius: 16px; overflow: hidden; transition: 0.3s; box-shadow: var(--lp-shadow); }
.faq-btn { width: 100%; text-align: left; background: transparent; border: none; padding: 20px 24px; color: var(--lp-text); font-size: 15px; font-weight: 700; cursor: pointer; display: flex; justify-content: space-between; align-items: center; margin: 0; box-shadow: none; border-radius: 0; }
.faq-btn:hover { background: var(--lp-faq-open); transform: none; box-shadow: none; }
.faq-icon { font-size: 22px; color: var(--lp-accent); transition: transform 0.3s; font-weight: 400; line-height: 1; }
.faq-content { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out, padding 0.3s ease; color: var(--lp-soft); font-size: 14px; line-height: 1.7; background: var(--lp-faq-open); }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-item.active .faq-content { max-height: 500px; padding: 0 24px 24px 24px; }

/* Pita ajakan penutup (opsional) */
.public-cta { padding: 56px 20px 70px; position: relative; z-index: 2; }
.cta-box { max-width: 1000px; margin: 0 auto; border-radius: 28px; padding: 44px 40px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 140%); color: var(--on-primary, #ffffff); display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; box-shadow: 0 20px 50px rgba(var(--primary-rgb), 0.28); }
.cta-box h2 { margin: 0 0 8px; font-size: 28px; font-weight: 800; line-height: 1.25; color: inherit; }
.cta-box p { margin: 0; font-size: 15px; line-height: 1.6; opacity: 0.92; color: inherit; }
.cta-teks { flex: 1; min-width: 240px; }
.btn-cta { background: #ffffff; color: #0f172a; font-weight: 800; text-decoration: none; padding: 15px 30px; border-radius: 14px; font-size: 15px; white-space: nowrap; box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18); transition: transform 0.2s; }
.btn-cta:hover { transform: translateY(-2px); }

/* Footer */
.public-footer { background: var(--lp-foot-bg); border-top: 1px solid var(--lp-border); padding: 34px 20px; text-align: center; font-size: 12px; color: var(--lp-foot-text); position: relative; z-index: 2; }
#landing-section:not(.tema-gelap) .public-footer { border-top: 0; }
.footer-kontak { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; margin-bottom: 16px; font-size: 13px; color: var(--lp-foot-text); }
.footer-kontak a { color: var(--lp-foot-link); text-decoration: none; }
.footer-kontak a:hover { color: #ffffff; text-decoration: underline; }
.footer-kredit { margin: 8px 0 0; font-size: 11px; opacity: 0.55; }

/* Tombol WhatsApp melayang (landing). Tersembunyi bila nomorWa di brand.config.js kosong. */
.wa-float { position: fixed; right: 20px; bottom: 20px; z-index: 990; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #ffffff; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35); text-decoration: none; transition: transform 0.2s, box-shadow 0.2s; }
.wa-float:hover { transform: scale(1.08); box-shadow: 0 8px 26px rgba(0, 0, 0, 0.45); }
.wa-float:focus-visible { outline: 3px solid #ffffff; outline-offset: 3px; }
.wa-float svg { width: 32px; height: 32px; fill: currentColor; }
@media (max-width: 600px) {
    .wa-float { right: 14px; bottom: 14px; width: 54px; height: 54px; }
    .public-features, .public-metode, .public-testi { padding: 52px 18px; }
    .cta-box { padding: 32px 24px; }
    .cta-box h2 { font-size: 22px; }
    .btn-cta { width: 100%; text-align: center; }
    .hero-stats { gap: 10px; }
    .stat-chip { flex: 1 1 88px; min-width: 0; padding: 10px 12px; }
    .stat-chip strong { font-size: 20px; }
}
@media (prefers-reduced-motion: reduce) { .wa-float { transition: none; } }

/* 1.6.1: foto tutor dan filter jenjang paket */
.tutor-avatar.berfoto { width: 96px; height: 96px; overflow: hidden; padding: 0; background: var(--lp-surface); }
.tutor-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.program-filter { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: -8px 0 26px; }
.program-filter.hidden { display: none; }
.filter-chip { width: auto; margin: 0; box-shadow: none; transform: none; border: 1px solid var(--lp-border); background: var(--lp-surface); color: var(--lp-soft); padding: 8px 18px; border-radius: 50px; font-size: 13px; font-weight: 700; cursor: pointer; font-family: inherit; }
.filter-chip:hover { border-color: var(--primary); transform: none; box-shadow: none; }
.filter-chip.aktif { background: var(--primary); border-color: var(--primary); color: var(--on-primary, #ffffff); }

/* Landing khusus klien (js/core/landing-khusus.js): sembunyikan landing standar selama berkas khusus dimuat */
html.lk-tunggu #landing-section { visibility: hidden; }

/* ===== 1.21.0: ikon garis pada keunggulan dan kartu mata pelajaran ===== */
.feature-icon .ik { width: 26px; height: 26px; stroke-width: 1.8; color: var(--primary); }
.feature-card.fk-garis { position: relative; overflow: hidden; }
.feature-card.fk-garis::before { content: ""; position: absolute; left: 24px; top: 0; width: 36px; height: 3px; border-radius: 0 0 4px 4px; background: var(--aksen, var(--primary)); }
.subject-chips.mode-kartu { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 340px)); justify-content: center; gap: 20px; }
.subject-kartu { display: flex; align-items: flex-start; gap: 16px; text-align: left; border-radius: 18px; padding: 22px; font-weight: 400; background: var(--lp-surface); transition: transform 0.25s, border-color 0.25s; }
.subject-kartu:hover { transform: translateY(-3px); border-color: var(--primary); }
.subject-kartu .sk-ik { flex: none; width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; background: var(--primary); color: var(--on-primary, #ffffff); font-size: 26px; }
.subject-kartu .sk-ik .ik { width: 26px; height: 26px; stroke-width: 1.8; }
.subject-kartu .sk-tx { display: block; min-width: 0; }
.subject-kartu .sk-tx strong { display: block; margin-top: 2px; font-size: 17px; font-weight: 700; color: var(--lp-text); }
.subject-kartu .sk-desc { display: block; margin-top: 4px; font-size: 13.5px; line-height: 1.6; color: var(--lp-muted); }
.subject-chips.mode-kartu .subject-chip-more { grid-column: 1 / -1; justify-self: center; }
@media (prefers-reduced-motion: reduce) { .subject-kartu, .subject-kartu:hover { transition: none; transform: none; } }
.subject-kartu:not(:has(.sk-desc)) { align-items: center; }