/* DANA EDUKASI Premium Learning UI v3
   Fokus: halaman kelas, kurikulum, dan preview materi. */
:root {
    --premium-navy: #071d3b;
    --premium-navy-2: #0d315d;
    --premium-blue: #0b66c3;
    --premium-blue-2: #1683e6;
    --premium-sky: #eaf5ff;
    --premium-sky-2: #f5faff;
    --premium-ink: #102945;
    --premium-muted: #6a7f99;
    --premium-line: #d7e5f4;
    --premium-gold: #caa45d;
    --premium-green: #14845b;
    --premium-danger: #a35d15;
    --premium-white: #ffffff;
    --premium-radius-xl: 34px;
    --premium-radius-lg: 24px;
    --premium-radius-md: 16px;
    --premium-shadow-soft: 0 22px 70px rgba(7, 40, 82, .10);
    --premium-shadow-card: 0 18px 46px rgba(7, 40, 82, .12);
    --premium-shadow-blue: 0 18px 38px rgba(11, 102, 195, .24);
}

body.public-page {
    background:
        radial-gradient(circle at 7% 3%, rgba(22, 131, 230, .10), transparent 28%),
        radial-gradient(circle at 92% 6%, rgba(202, 164, 93, .10), transparent 30%),
        linear-gradient(180deg, #fbfdff 0%, #f4f8fc 48%, #f9fbfe 100%);
    color: var(--premium-ink);
}

body.public-page .public-main {
    width: min(1180px, calc(100% - 42px));
    margin: 0 auto;
    padding: 0;
}

.public-header {
    height: 84px;
    padding: 0 clamp(22px, 5vw, 82px);
    border-bottom: 1px solid rgba(9, 45, 92, .08);
    background: rgba(255, 255, 255, .88);
    box-shadow: 0 14px 40px rgba(7, 40, 82, .055);
}

.public-brand-mark {
    border-radius: 14px;
    background: linear-gradient(150deg, #073b7f 0%, #0b66c3 60%, #27a8f5 100%);
    box-shadow: 0 14px 28px rgba(6, 78, 160, .22), inset 0 1px 0 rgba(255,255,255,.28);
}

.public-brand small { color: #6e8298; }
.public-brand strong { color: var(--premium-navy); letter-spacing: -.02em; }
.public-nav { gap: 28px; }
.public-nav a {
    color: #315172;
    font-size: 13px;
    font-weight: 780;
    letter-spacing: -.01em;
}
.public-nav a:hover { color: var(--premium-blue); }
.public-nav .public-nav-action {
    border-color: rgba(11, 102, 195, .18);
    background: linear-gradient(180deg, #fff, #f5faff);
    color: #084d99;
    box-shadow: 0 10px 22px rgba(11, 102, 195, .10);
}

.public-kicker,
.home-v2-eyebrow {
    color: var(--premium-blue);
    font-weight: 900;
    letter-spacing: .18em;
}

.public-btn,
.home-v2-btn,
.home-v2-card-cta {
    border-radius: 999px;
    font-weight: 850;
    letter-spacing: -.01em;
}

.public-btn-primary,
.home-v2-btn-primary,
.home-v2-card-cta {
    background: linear-gradient(135deg, #073b7f 0%, #0b66c3 52%, #1683e6 100%);
    color: #fff !important;
    box-shadow: var(--premium-shadow-blue);
}

.public-btn-secondary,
.home-v2-btn-secondary {
    border: 1px solid rgba(11, 102, 195, .18);
    background: rgba(255,255,255,.88);
    color: #0a5cae;
    box-shadow: 0 12px 28px rgba(7, 40, 82, .065);
}

.public-footer {
    max-width: min(1180px, calc(100% - 42px));
    margin: 0 auto;
    padding: 34px 0 44px;
    border-top: 1px solid rgba(9, 45, 92, .10);
    color: #668099;
}
.public-footer strong { color: var(--premium-navy); }
.public-footer-links a { color: #315172; }

/* HALAMAN KELAS */
.home-v2 {
    padding: 42px 0 90px;
}
.home-v2-hero {
    min-height: 540px;
    border: 1px solid rgba(255,255,255,.65);
    border-radius: var(--premium-radius-xl);
    background:
        radial-gradient(circle at 86% 18%, rgba(255, 255, 255, .34), transparent 27%),
        radial-gradient(circle at 62% 105%, rgba(22, 131, 230, .38), transparent 36%),
        linear-gradient(135deg, #071d3b 0%, #0d315d 48%, #0b66c3 100%);
    box-shadow: 0 34px 90px rgba(7, 40, 82, .18);
}
.home-v2-hero h1 {
    max-width: 720px;
    font-family: Georgia, "Times New Roman", serif;
    letter-spacing: -.065em;
}
.home-v2-hero h1 em {
    color: #cdeaff;
    font-style: normal;
}
.home-v2-lead {
    color: rgba(232, 246, 255, .86);
    font-size: 16px;
}
.home-v2-hero-stats,
.home-v2-overview {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 28px;
}
.home-v2-hero-stats article,
.home-v2-overview article {
    min-height: 82px;
    padding: 16px 18px;
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 18px;
    background: rgba(255,255,255,.10);
    box-shadow: none;
    color: #fff;
}
.home-v2-hero-stats strong,
.home-v2-overview strong { display: block; color: #fff; font-size: 14px; }
.home-v2-hero-stats small,
.home-v2-overview small { display: block; margin-top: 5px; color: rgba(221,241,255,.78); font-size: 11px; line-height: 1.5; }
.home-v2-progress-card {
    border-color: rgba(255,255,255,.76);
    border-radius: 18px;
    box-shadow: 0 20px 42px rgba(0, 27, 66, .22);
}
.home-v2-section { margin-top: 78px; }
.home-v2-heading {
    align-items: flex-end;
    padding: 0 2px;
    margin-bottom: 26px;
}
.home-v2-heading h2 {
    max-width: 760px;
    color: var(--premium-navy);
    font-family: Inter, ui-sans-serif, system-ui, sans-serif;
    font-size: clamp(42px, 5vw, 67px);
    font-weight: 900;
    line-height: .96;
    letter-spacing: -.075em;
}
.home-v2-heading p {
    max-width: 620px;
    color: var(--premium-muted);
    font-size: 15px;
    line-height: 1.75;
}
.home-v2-count {
    border: 1px solid rgba(11,102,195,.12);
    background: linear-gradient(180deg, #fff, #edf7ff);
    color: #0a5cae;
    box-shadow: 0 12px 30px rgba(7, 40, 82, .08);
}
.home-v2-course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}
.home-v2-course-card {
    overflow: hidden;
    border: 1px solid rgba(17, 75, 135, .12);
    border-radius: 30px;
    background: rgba(255,255,255,.94);
    box-shadow: var(--premium-shadow-card);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.home-v2-course-card:hover {
    transform: translateY(-6px);
    border-color: rgba(11,102,195,.22);
    box-shadow: 0 30px 80px rgba(7, 40, 82, .16);
}
.home-v2-course-art {
    height: 292px;
    background:
        radial-gradient(circle at 82% 18%, rgba(255,255,255,.78), transparent 25%),
        linear-gradient(145deg, #eaf6ff 0%, #b8dcf7 50%, #6fb1ed 100%);
}
.home-v2-course-art::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 42%;
    background: linear-gradient(180deg, transparent, rgba(7, 29, 59, .20));
    pointer-events: none;
}
.home-v2-course-art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.home-v2-course-art.is-default-art img {
    object-fit: contain;
    object-position: center bottom;
    padding: 10px 18px 0;
    filter: drop-shadow(0 22px 30px rgba(6, 45, 91, .22));
}
.home-v2-course-price {
    z-index: 2;
    top: 18px;
    left: 18px;
    right: auto;
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,.64);
    border-radius: 999px;
    box-shadow: 0 14px 28px rgba(7, 40, 82, .18);
}
.home-v2-course-price.is-paid {
    background: linear-gradient(135deg, #073b7f, #0b66c3);
    color: #fff;
}
.home-v2-course-price.is-free {
    background: #fff;
    color: var(--premium-green);
}
.home-v2-play {
    z-index: 3;
    right: 20px;
    bottom: 20px;
    width: 52px;
    height: 52px;
    border: 1px solid rgba(255,255,255,.62);
    background: rgba(7, 59, 127, .94);
    box-shadow: 0 18px 30px rgba(7, 40, 82, .24);
}
.home-v2-course-body {
    padding: 28px 28px 26px;
}
.home-v2-course-meta span {
    padding: 8px 11px;
    border: 1px solid rgba(11,102,195,.08);
    border-radius: 999px;
    background: #f3f9ff;
    color: #315172;
}
.home-v2-course-body h3 {
    margin-top: 18px;
    color: var(--premium-navy);
    font-size: clamp(27px, 2.5vw, 36px);
    line-height: 1.02;
    letter-spacing: -.055em;
}
.home-v2-course-body p {
    color: var(--premium-muted);
    font-size: 14px;
    line-height: 1.75;
}
.home-v2-course-actions {
    padding-top: 6px;
}
.home-v2-course-actions > a:first-child {
    color: #0a5cae;
    font-weight: 900;
}
.home-v2-card-cta {
    min-width: 138px;
    min-height: 48px;
}
.home-v2-flow,
.home-v2-help,
.home-v2-faq {
    border: 1px solid rgba(17, 75, 135, .11);
    border-radius: 30px;
    background: rgba(255,255,255,.82);
    box-shadow: var(--premium-shadow-soft);
}
.home-v2-flow { padding: 38px; }
.home-v2-help { padding: 38px; }
.home-v2-faq { padding: 38px; }

/* DETAIL KELAS DAN KURIKULUM */
.premium-course-hero {
    position: relative;
    grid-template-columns: minmax(0, 1.06fr) minmax(360px, .94fr);
    gap: 52px;
    max-width: 1180px;
    margin: 38px auto 0;
    padding: clamp(34px, 5vw, 58px);
    overflow: hidden;
    border: 1px solid rgba(17, 75, 135, .11);
    border-radius: var(--premium-radius-xl);
    background:
        radial-gradient(circle at 8% 12%, rgba(22,131,230,.12), transparent 27%),
        radial-gradient(circle at 78% 9%, rgba(202,164,93,.16), transparent 25%),
        linear-gradient(135deg, rgba(255,255,255,.97), rgba(245,250,255,.90));
    box-shadow: var(--premium-shadow-soft);
}
.premium-course-orb {
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
}
.premium-course-orb-one {
    top: -115px;
    right: -100px;
    width: 280px;
    height: 280px;
    border: 1px solid rgba(202,164,93,.28);
    box-shadow: 0 0 0 46px rgba(202,164,93,.06);
}
.premium-course-orb-two {
    left: -90px;
    bottom: -120px;
    width: 260px;
    height: 260px;
    border: 1px solid rgba(11,102,195,.18);
    box-shadow: 0 0 0 54px rgba(11,102,195,.055);
}
.premium-course-copy,
.premium-course-visual { position: relative; z-index: 1; }
.premium-back-link {
    color: #315172;
    font-weight: 850;
}
.premium-chip-row {
    flex-wrap: wrap;
    gap: 9px;
}
.premium-chip-row > span:not(.public-price-badge) {
    padding: 8px 11px;
    border: 1px solid rgba(11,102,195,.10);
    border-radius: 999px;
    background: #fff;
    color: #496985;
}
.premium-course-hero h1 {
    max-width: 690px;
    color: var(--premium-navy);
    font-size: clamp(43px, 5vw, 70px);
    letter-spacing: -.066em;
}
.premium-course-hero .public-course-hero-copy > p:not(.public-kicker) {
    max-width: 650px;
    color: var(--premium-muted);
    font-size: 16px;
    line-height: 1.82;
}
.premium-course-highlights {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 28px;
}
.premium-course-highlights article {
    padding: 15px;
    border: 1px solid rgba(11,102,195,.10);
    border-radius: 18px;
    background: rgba(255,255,255,.76);
}
.premium-course-highlights span {
    display: inline-flex;
    margin-bottom: 10px;
    color: var(--premium-gold);
    font-size: 11px;
    font-weight: 950;
    letter-spacing: .12em;
}
.premium-course-highlights strong,
.premium-course-highlights small { display: block; }
.premium-course-highlights strong { color: var(--premium-navy); font-size: 13px; }
.premium-course-highlights small { margin-top: 5px; color: #71869d; font-size: 11px; line-height: 1.5; }
.premium-detail-cta { margin-top: 28px; }
.premium-course-visual {
    min-height: 386px;
    border: 1px solid rgba(255,255,255,.75);
    border-radius: 30px;
    background: linear-gradient(145deg, #e8f4ff, #8fc6f3);
    box-shadow: 0 28px 70px rgba(7, 40, 82, .16);
}
.premium-course-visual img { object-position: center; }
.premium-floating-note {
    position: absolute;
    right: 18px;
    top: 18px;
    max-width: 210px;
    padding: 13px 15px;
    border: 1px solid rgba(255,255,255,.74);
    border-radius: 18px;
    background: rgba(255,255,255,.90);
    box-shadow: 0 18px 36px rgba(7, 40, 82, .18);
}
.premium-floating-note small,
.premium-floating-note strong { display: block; }
.premium-floating-note small { color: #6f879f; font-size: 10px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.premium-floating-note strong { margin-top: 5px; color: var(--premium-navy); font-size: 12px; line-height: 1.4; }
.premium-curriculum-section {
    max-width: 1180px;
    padding: 70px 0 90px;
}
.premium-curriculum-heading {
    align-items: stretch;
    padding: 28px;
    border: 1px solid rgba(17, 75, 135, .10);
    border-radius: 28px;
    background: rgba(255,255,255,.82);
    box-shadow: var(--premium-shadow-soft);
}
.premium-curriculum-heading h2 {
    max-width: 760px;
    color: var(--premium-navy);
    font-size: clamp(32px, 3.8vw, 48px);
    letter-spacing: -.05em;
}
.premium-curriculum-heading p:not(.public-kicker) {
    max-width: 760px;
    color: var(--premium-muted);
    line-height: 1.72;
}
.premium-curriculum-heading > span {
    display: inline-flex;
    align-self: flex-start;
    border: 1px solid rgba(11,102,195,.10);
    background: #f2f8ff;
}
.premium-module-list { gap: 18px; }
.premium-module-card {
    overflow: hidden;
    border: 1px solid rgba(17, 75, 135, .12);
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 18px 48px rgba(7, 40, 82, .08);
}
.premium-module-card header {
    grid-template-columns: 48px minmax(0, 1fr) auto;
    padding: 21px 24px;
    border-bottom: 1px solid rgba(17, 75, 135, .08);
    background:
        linear-gradient(90deg, rgba(11,102,195,.08), transparent 48%),
        linear-gradient(180deg, #fff, #f8fbff);
}
.premium-module-card header > span {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(11,102,195,.12);
    border-radius: 14px;
    background: linear-gradient(180deg, #fff, #e8f4ff);
    color: var(--premium-blue);
}
.premium-module-card header small { color: #7a90a8; }
.premium-module-card header h3 {
    color: var(--premium-navy);
    font-size: 20px;
    letter-spacing: -.02em;
}
.premium-module-card header b {
    padding: 9px 12px;
    border-radius: 999px;
    background: #f1f7ff;
    color: #496985;
}
.premium-module-card li {
    grid-template-columns: 34px minmax(0, 1fr) auto auto;
    gap: 12px;
    min-height: 72px;
    padding: 15px 24px;
    border-bottom: 1px solid rgba(17, 75, 135, .07);
}
.premium-module-card li:hover { background: #fbfdff; }
.premium-module-card li strong {
    color: #1e4065;
    font-size: 14px;
    white-space: normal;
}
.premium-module-card li small { color: #758ca4; font-size: 11px; }
.premium-module-card .public-lesson-icon {
    width: 30px;
    height: 30px;
    border-radius: 12px;
}
.premium-module-card .is-open .public-lesson-icon {
    background: #e8f6ff;
    color: var(--premium-blue);
}
.premium-module-card .is-locked .public-lesson-icon {
    background: #f5f0e8;
    color: var(--premium-danger);
}
.premium-lesson-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 78px;
    padding: 7px 10px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 900;
}
.premium-lesson-status.is-open {
    background: #eaf8f2;
    color: var(--premium-green);
}
.premium-lesson-status.is-locked {
    background: #fff5e7;
    color: var(--premium-danger);
}
.premium-module-card li > a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    background: #eef7ff;
    color: #0a5cae;
    font-weight: 900;
}
.premium-module-card li > a.public-lock-label {
    background: #fff5e7;
    color: var(--premium-danger);
}
.premium-detail-banner {
    max-width: 1180px;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 30px;
    background:
        radial-gradient(circle at 85% 20%, rgba(255,255,255,.20), transparent 24%),
        linear-gradient(135deg, #071d3b, #0b66c3);
    box-shadow: 0 28px 70px rgba(7, 40, 82, .16);
}

/* HALAMAN PREVIEW MATERI */
.premium-preview-shell {
    display: grid;
    grid-template-columns: minmax(285px, 340px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    max-width: 1180px;
    margin: 32px auto 88px;
}
.premium-preview-sidebar {
    position: sticky;
    top: 102px;
    display: grid;
    gap: 14px;
}
.premium-sidebar-card {
    border: 1px solid rgba(17, 75, 135, .12);
    border-radius: 24px;
    background: rgba(255,255,255,.90);
    box-shadow: 0 18px 46px rgba(7, 40, 82, .075);
}
.premium-sidebar-summary {
    padding: 24px;
    overflow: hidden;
    background:
        radial-gradient(circle at 90% 0%, rgba(202,164,93,.18), transparent 28%),
        linear-gradient(180deg, #fff, #f6fbff);
}
.premium-sidebar-summary h2 {
    margin: 0;
    color: var(--premium-navy);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 28px;
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -.045em;
}
.premium-sidebar-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 18px;
}
.premium-sidebar-stats span {
    padding: 12px 8px;
    border: 1px solid rgba(11,102,195,.09);
    border-radius: 16px;
    background: #fff;
    text-align: center;
}
.premium-sidebar-stats strong,
.premium-sidebar-stats small { display: block; }
.premium-sidebar-stats strong { color: var(--premium-blue); font-size: 19px; }
.premium-sidebar-stats small { margin-top: 3px; color: #6f879f; font-size: 10px; }
.premium-sidebar-list {
    max-height: calc(100vh - 370px);
    overflow: auto;
    padding: 12px;
}
.premium-sidebar-list::-webkit-scrollbar { width: 7px; }
.premium-sidebar-list::-webkit-scrollbar-thumb { border-radius: 999px; background: #cfe2f4; }
.premium-sidebar-module + .premium-sidebar-module {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(17,75,135,.09);
}
.premium-sidebar-module header {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 9px;
    align-items: center;
    padding: 4px 6px 10px;
}
.premium-sidebar-module header span {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 11px;
    background: #eef7ff;
    color: var(--premium-blue);
    font-size: 10px;
    font-weight: 900;
}
.premium-sidebar-module header strong {
    overflow: hidden;
    color: var(--premium-navy);
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.premium-sidebar-module ul {
    display: grid;
    gap: 7px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.premium-sidebar-module li a,
.premium-sidebar-locked-row {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 9px;
    align-items: center;
    min-height: 52px;
    padding: 9px;
    border: 1px solid transparent;
    border-radius: 16px;
    text-decoration: none;
}
.premium-sidebar-module li a > span,
.premium-sidebar-locked-row > span {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 11px;
    background: #eef7ff;
    color: var(--premium-blue);
    font-size: 10px;
    font-weight: 900;
}
.premium-sidebar-module li strong,
.premium-sidebar-module li small { display: block; }
.premium-sidebar-module li strong {
    overflow: hidden;
    color: #244664;
    font-size: 11px;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.premium-sidebar-module li small {
    margin-top: 4px;
    color: #8297aa;
    font-size: 9px;
    font-weight: 760;
}
.premium-sidebar-module li.is-current a {
    border-color: rgba(11,102,195,.16);
    background: linear-gradient(180deg, #fff, #eff8ff);
    box-shadow: 0 12px 26px rgba(11,102,195,.10);
}
.premium-sidebar-module li.is-current a > span {
    background: linear-gradient(135deg, #073b7f, #0b66c3);
    color: #fff;
}
.premium-sidebar-module li.is-locked .premium-sidebar-locked-row {
    background: #fbfcfe;
    opacity: .82;
}
.premium-sidebar-module li.is-locked .premium-sidebar-locked-row > span {
    background: #fff5e7;
    color: var(--premium-danger);
}
.premium-sidebar-empty {
    margin: 0;
    padding: 18px;
    color: var(--premium-muted);
    font-size: 13px;
}
.premium-unlock-card {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr) auto;
    gap: 10px;
    align-items: center;
    padding: 15px;
    background: linear-gradient(135deg, #071d3b, #0b66c3);
    color: #fff;
}
.premium-unlock-card > span {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: rgba(255,255,255,.14);
}
.premium-unlock-card strong,
.premium-unlock-card small { display: block; }
.premium-unlock-card strong { font-size: 12px; }
.premium-unlock-card small { margin-top: 4px; color: rgba(230,245,255,.78); font-size: 10px; line-height: 1.45; }
.premium-unlock-card a {
    padding: 9px 11px;
    border-radius: 999px;
    background: #fff;
    color: #0a5cae;
    font-size: 10px;
    font-weight: 900;
    text-decoration: none;
}
.premium-preview-main { min-width: 0; }
.premium-preview-head {
    max-width: none;
    padding: 0 0 14px;
}
.premium-preview-head div {
    text-align: left;
}
.premium-preview-head span {
    color: var(--premium-blue);
}
.premium-preview-head strong {
    color: #496985;
}
.premium-preview-small-link {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 13px;
    border: 1px solid rgba(11,102,195,.12);
    border-radius: 999px;
    background: #fff;
    color: #0a5cae;
    font-size: 11px;
    font-weight: 900;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(7,40,82,.06);
}
.premium-preview-lesson {
    max-width: none;
    border: 1px solid rgba(17, 75, 135, .12);
    border-radius: 30px;
    background: #fff;
    box-shadow: var(--premium-shadow-card);
}
.premium-preview-lesson > header {
    padding: 42px clamp(24px, 5vw, 56px) 26px;
    background:
        radial-gradient(circle at 92% 0%, rgba(202,164,93,.10), transparent 24%),
        linear-gradient(180deg, #fff, #f8fbff);
}
.premium-preview-lesson h1 {
    color: var(--premium-navy);
    font-size: clamp(38px, 5vw, 60px);
    line-height: 1.02;
    letter-spacing: -.058em;
}
.premium-preview-lesson header > p:not(.public-kicker) {
    max-width: 750px;
    color: var(--premium-muted);
    font-size: 15px;
}
.premium-video-frame {
    width: calc(100% - clamp(36px, 8vw, 104px));
    border: 1px solid rgba(7,40,82,.14);
    border-radius: 24px;
    background: #071d3b;
    box-shadow: 0 24px 50px rgba(7,40,82,.18);
}
.premium-video-placeholder {
    display: grid;
    place-items: center;
    width: calc(100% - clamp(36px, 8vw, 104px));
    margin: 0 auto;
    min-height: 320px;
    border: 1px dashed rgba(11,102,195,.22);
    border-radius: 24px;
    background: linear-gradient(145deg, #f4faff, #eaf5ff);
    text-align: center;
}
.premium-video-placeholder span {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border-radius: 20px;
    background: linear-gradient(135deg, #073b7f, #0b66c3);
    color: #fff;
    box-shadow: var(--premium-shadow-blue);
}
.premium-video-placeholder strong {
    display: block;
    margin-top: 18px;
    color: var(--premium-navy);
    font-size: 18px;
}
.premium-video-placeholder small {
    display: block;
    margin-top: 7px;
    color: var(--premium-muted);
}
.premium-preview-resources {
    border-radius: 22px;
    background: #f8fbff;
}
.premium-preview-prose {
    color: #294969;
    font-size: 16px;
    line-height: 1.9;
}
.premium-preview-prose h1,
.premium-preview-prose h2,
.premium-preview-prose h3 {
    color: var(--premium-navy);
    letter-spacing: -.025em;
}
.premium-preview-cta {
    max-width: none;
    border: 1px solid rgba(17, 75, 135, .12);
    border-radius: 26px;
    background:
        radial-gradient(circle at 85% 0%, rgba(202,164,93,.14), transparent 25%),
        linear-gradient(135deg, #fff, #eaf5ff);
    box-shadow: 0 18px 46px rgba(7, 40, 82, .09);
}
.premium-preview-cta h2 {
    color: var(--premium-navy);
    font-size: clamp(29px, 3vw, 38px);
}

@media (max-width: 1020px) {
    body.public-page .public-main { width: min(100% - 30px, 920px); }
    .home-v2-hero,
    .premium-course-hero,
    .premium-preview-shell { grid-template-columns: 1fr; }
    .premium-preview-sidebar { position: static; }
    .premium-sidebar-list { max-height: none; }
    .premium-course-visual { min-height: 320px; }
}

@media (max-width: 760px) {
    body.public-page .public-main { width: calc(100% - 28px); }
    .public-header { height: 70px; padding: 0 14px; }
    .public-nav { gap: 10px; }
    .public-nav a { font-size: 11px; }
    .home-v2 { padding-top: 24px; }
    .home-v2-hero { border-radius: 24px; min-height: 0; }
    .home-v2-hero-copy { padding: 38px 24px 28px; }
    .home-v2-hero h1 { font-size: 43px; }
    .home-v2-hero-visual { min-height: 320px; }
    .home-v2-hero-stats,
    .home-v2-overview,
    .premium-course-highlights,
    .premium-sidebar-stats { grid-template-columns: 1fr; }
    .home-v2-section { margin-top: 52px; }
    .home-v2-heading { align-items: flex-start; flex-direction: column; }
    .home-v2-heading h2 { font-size: 40px; }
    .home-v2-course-grid { grid-template-columns: 1fr; gap: 18px; }
    .home-v2-course-art { height: 240px; }
    .home-v2-course-card { border-radius: 24px; }
    .home-v2-flow,
    .home-v2-help,
    .home-v2-faq { padding: 24px; border-radius: 24px; }

    .premium-course-hero { margin-top: 22px; padding: 24px; border-radius: 26px; gap: 28px; }
    .premium-course-hero h1 { font-size: 42px; }
    .premium-course-visual { min-height: 245px; border-radius: 22px; }
    .premium-curriculum-section { padding: 45px 0 62px; }
    .premium-curriculum-heading { padding: 22px; border-radius: 23px; }
    .premium-module-card { border-radius: 20px; }
    .premium-module-card header { grid-template-columns: 42px minmax(0, 1fr); padding: 18px; }
    .premium-module-card header b { grid-column: 2; justify-self: start; }
    .premium-module-card li { grid-template-columns: 32px minmax(0, 1fr); padding: 15px 18px; }
    .premium-lesson-status,
    .premium-module-card li > a { grid-column: 2; justify-self: start; margin-top: 2px; }
    .premium-detail-banner { margin-bottom: 60px; border-radius: 24px; }

    .premium-preview-shell { gap: 20px; margin: 22px auto 64px; }
    .premium-preview-head { align-items: flex-start; flex-direction: column; }
    .premium-preview-lesson { border-radius: 24px; }
    .premium-preview-lesson > header { padding: 32px 22px 22px; }
    .premium-preview-lesson h1 { font-size: 39px; }
    .premium-video-frame,
    .premium-video-placeholder { width: calc(100% - 28px); border-radius: 18px; }
    .premium-video-placeholder { min-height: 220px; }
    .premium-preview-prose { padding: 28px 22px 34px; }
    .premium-preview-cta { align-items: flex-start; flex-direction: column; padding: 24px; }
    .premium-unlock-card { grid-template-columns: 34px minmax(0, 1fr); }
    .premium-unlock-card a { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 520px) {
    .public-brand small { display: none; }
    .public-brand strong { font-size: 17px; }
    .public-nav .public-nav-action { padding: 9px 11px; }
    .home-v2-course-actions { align-items: flex-start; flex-direction: column; }
    .home-v2-card-cta { width: 100%; }
    .premium-floating-note { display: none; }
    .premium-sidebar-summary h2 { font-size: 24px; }
    .premium-sidebar-card { border-radius: 20px; }
}


/* ========================================================================
   OPEN LAYOUT REFINEMENT V4
   Tujuan: tampilan lebih bebas, tidak terasa "terkunci di dalam kotak",
   kontras font & background lebih jelas, dan lebih premium.
   ======================================================================== */

body.public-page {
    background:
        radial-gradient(circle at 0% 0%, rgba(10, 108, 201, .08), transparent 22%),
        radial-gradient(circle at 100% 0%, rgba(202, 164, 93, .08), transparent 18%),
        linear-gradient(180deg, #fdfefe 0%, #f5f9fd 44%, #f8fbff 100%);
    color: #133151;
}

body.public-page .public-main {
    width: min(1200px, calc(100% - 48px));
}

.public-header {
    background: rgba(255,255,255,.94);
    box-shadow: 0 12px 40px rgba(12, 42, 78, .06);
}

.public-nav a,
.public-footer-links a {
    color: #274969;
}

.public-nav a:hover,
.public-footer-links a:hover {
    color: var(--premium-blue);
}

/* ===== DETAIL KELAS: bebas, tidak terjebak dalam satu kotak besar ===== */
.premium-course-hero {
    position: relative;
    max-width: 1200px;
    margin: 38px auto 0;
    padding: 18px 0 30px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    overflow: visible;
    gap: 64px;
}

.premium-course-orb-one {
    top: 12px;
    right: 120px;
    width: 200px;
    height: 200px;
    border-color: rgba(202,164,93,.25);
    box-shadow: 0 0 0 30px rgba(202,164,93,.05);
}

.premium-course-orb-two {
    left: -44px;
    bottom: 0;
    width: 180px;
    height: 180px;
    border-color: rgba(11,102,195,.14);
    box-shadow: 0 0 0 26px rgba(11,102,195,.04);
}

.premium-course-copy {
    padding-top: 30px;
}

.premium-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: #3c5e80;
    text-decoration: none;
}

.premium-chip-row {
    gap: 10px;
    margin-bottom: 18px;
}

.premium-chip-row > span:not(.public-price-badge) {
    border-color: rgba(11,102,195,.10);
    background: rgba(255,255,255,.82);
    color: #486885;
    box-shadow: 0 10px 20px rgba(12, 42, 78, .04);
}

.premium-course-hero h1 {
    max-width: 620px;
    margin: 0;
    color: #0a274a;
    font-size: clamp(46px, 5vw, 76px);
    line-height: .96;
    letter-spacing: -.068em;
}

.premium-course-hero .public-course-hero-copy > p:not(.public-kicker) {
    max-width: 610px;
    margin-top: 24px;
    color: #5a7591;
    font-size: 17px;
    line-height: 1.84;
}

.premium-course-highlights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
}

.premium-course-highlights article {
    padding: 0 10px 0 0;
    border: 0;
    border-left: 3px solid rgba(11,102,195,.20);
    border-radius: 0;
    background: transparent;
}

.premium-course-highlights article:nth-child(2) { border-left-color: rgba(20,132,91,.22); }
.premium-course-highlights article:nth-child(3) { border-left-color: rgba(202,164,93,.30); }

.premium-course-highlights span {
    margin: 0 0 8px 14px;
    color: #0a67c2;
}

.premium-course-highlights strong {
    margin-left: 14px;
    color: #0a274a;
    font-size: 15px;
}

.premium-course-highlights small {
    margin: 6px 0 0 14px;
    color: #6c839a;
    font-size: 12px;
    line-height: 1.6;
}

.premium-detail-cta {
    margin-top: 34px;
}

.premium-detail-cta .public-btn-primary,
.premium-detail-cta .public-btn-secondary {
    min-height: 52px;
    padding: 0 22px;
}

.premium-detail-cta > small {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #5d7893;
    font-size: 12px;
    font-weight: 700;
}

.premium-detail-cta > small span {
    display: inline-grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: #e6f6ee;
    color: var(--premium-green);
    font-size: 11px;
}

.premium-course-visual {
    min-height: 420px;
    margin-top: 6px;
    border: 1px solid rgba(255,255,255,.75);
    border-radius: 34px;
    background:
        radial-gradient(circle at 20% 15%, rgba(255,255,255,.55), transparent 32%),
        linear-gradient(145deg, #eaf6ff 0%, #95c9f4 58%, #3c8ddd 100%);
    box-shadow: 0 28px 64px rgba(12, 42, 78, .12);
}

.premium-course-visual img {
    object-fit: contain;
    object-position: right bottom;
    padding: 14px 0 0;
    filter: drop-shadow(0 24px 32px rgba(10,39,74,.18));
}

.public-image-shade {
    background: linear-gradient(180deg, transparent, rgba(10,39,74,.12));
}

.premium-floating-note {
    right: 16px;
    top: 16px;
    background: rgba(255,255,255,.96);
}

/* ===== KURIKULUM: lebih bebas, heading tanpa kotak ===== */
.premium-curriculum-section {
    max-width: 1200px;
    padding: 52px 0 90px;
}

.premium-curriculum-heading {
    align-items: end;
    padding: 0 0 22px;
    border: 0;
    border-bottom: 1px solid rgba(17, 75, 135, .10);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.premium-curriculum-heading h2 {
    max-width: 780px;
    color: #0a274a;
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.05;
    letter-spacing: -.055em;
}

.premium-curriculum-heading p:not(.public-kicker) {
    max-width: 760px;
    margin-top: 12px;
    color: #64809c;
    font-size: 15px;
}

.premium-curriculum-heading > span {
    border-color: rgba(11,102,195,.12);
    background: rgba(255,255,255,.90);
    color: #0c5dad;
    box-shadow: 0 10px 24px rgba(12,42,78,.05);
}

.premium-module-list {
    gap: 28px;
    margin-top: 22px;
}

.premium-module-card {
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.premium-module-card + .premium-module-card {
    padding-top: 24px;
    border-top: 1px solid rgba(17,75,135,.10);
}

.premium-module-card header {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    padding: 0 0 16px;
    border: 0;
    background: transparent;
}

.premium-module-card header > span {
    width: 52px;
    height: 52px;
    border-color: rgba(11,102,195,.12);
    border-radius: 16px;
    background: linear-gradient(180deg, #fff, #eef7ff);
    box-shadow: 0 10px 22px rgba(11,102,195,.08);
}

.premium-module-card header small {
    color: #7b8fa4;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .09em;
}

.premium-module-card header h3 {
    margin-top: 3px;
    color: #0a274a;
    font-size: 30px;
    line-height: 1.12;
    letter-spacing: -.04em;
}

.premium-module-card header b {
    align-self: center;
    padding: 10px 14px;
    border: 1px solid rgba(11,102,195,.12);
    background: #f5faff;
    color: #496985;
    box-shadow: 0 10px 20px rgba(12,42,78,.04);
}

.premium-module-card ul {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.premium-module-card li {
    grid-template-columns: 44px minmax(0, 1fr) auto auto;
    gap: 14px;
    min-height: 78px;
    padding: 0 0 0 4px;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.premium-module-card li:hover {
    background: transparent;
}

.premium-module-card li > div {
    padding: 14px 0;
    border-bottom: 1px solid rgba(17,75,135,.08);
}

.premium-module-card li:last-child > div,
.premium-module-card li:last-child .premium-lesson-status,
.premium-module-card li:last-child > a,
.premium-module-card li:last-child > span.public-lesson-icon {
    border-bottom: 1px solid rgba(17,75,135,.08);
}

.premium-module-card .public-lesson-icon {
    align-self: stretch;
    width: 38px;
    height: auto;
    min-height: 78px;
    border-radius: 14px;
    box-shadow: 0 10px 24px rgba(12,42,78,.05);
}

.premium-module-card .is-open .public-lesson-icon {
    background: linear-gradient(180deg, #f0f8ff, #e7f3ff);
    color: var(--premium-blue);
}

.premium-module-card .is-locked .public-lesson-icon {
    background: linear-gradient(180deg, #fff8ef, #fff1da);
    color: var(--premium-danger);
}

.premium-module-card li strong {
    color: #143556;
    font-size: 18px;
    line-height: 1.35;
}

.premium-module-card li small {
    display: block;
    margin-top: 6px;
    color: #6f859b;
    font-size: 12px;
    line-height: 1.55;
}

.premium-lesson-status {
    align-self: center;
    min-width: 94px;
    padding: 10px 12px;
    font-size: 11px;
    letter-spacing: .04em;
    box-shadow: 0 10px 20px rgba(12,42,78,.04);
}

.premium-module-card li > a {
    align-self: center;
    min-height: 42px;
    padding: 0 16px;
    border: 1px solid rgba(11,102,195,.12);
    background: #fff;
    color: #0a5cae;
    box-shadow: 0 10px 22px rgba(12,42,78,.05);
}

.premium-module-card li > a.public-lock-label {
    border-color: rgba(163,93,21,.14);
    background: #fffaf1;
    color: var(--premium-danger);
}

/* ===== CTA bebas, tidak seperti kotak tertutup ===== */
.premium-detail-banner {
    max-width: 1200px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    margin-top: 20px;
    padding: 34px 40px;
    border: 0;
    border-radius: 32px;
    background:
        radial-gradient(circle at 90% 20%, rgba(255,255,255,.16), transparent 24%),
        linear-gradient(135deg, #072449 0%, #0a4e97 58%, #1683e6 100%);
    box-shadow: 0 28px 70px rgba(10,39,74,.16);
}

.premium-detail-banner h2,
.premium-detail-banner p {
    color: #fff;
}

.premium-detail-banner .public-kicker {
    color: #cbe4ff;
}

.premium-detail-banner p:not(.public-kicker) {
    margin-top: 10px;
    max-width: 740px;
    color: rgba(234,245,255,.86);
    font-size: 15px;
    line-height: 1.75;
}

.premium-detail-banner .public-btn-light {
    min-width: 212px;
    min-height: 54px;
    padding: 0 24px;
    border-radius: 999px;
    background: #fff;
    color: #0a4f97;
    font-size: 14px;
    font-weight: 900;
    white-space: nowrap;
    box-shadow: 0 18px 36px rgba(7, 29, 59, .20);
}

/* ===== PREVIEW MATERI: lebih bebas, tetap jelas ===== */
.premium-preview-shell {
    max-width: 1200px;
    gap: 34px;
    margin: 36px auto 88px;
}

.premium-preview-sidebar {
    gap: 16px;
}

.premium-sidebar-card {
    border: 1px solid rgba(17,75,135,.10);
    border-radius: 26px;
    background: rgba(255,255,255,.92);
    box-shadow: 0 16px 36px rgba(12,42,78,.06);
}

.premium-sidebar-summary {
    padding: 26px;
    background:
        radial-gradient(circle at 100% 0%, rgba(202,164,93,.16), transparent 28%),
        linear-gradient(180deg, #fff, #f8fbff);
}

.premium-sidebar-summary h2 {
    font-size: 32px;
    line-height: 1.06;
    color: #0a274a;
}

.premium-sidebar-stats span {
    border-color: rgba(11,102,195,.10);
    background: #fff;
}

.premium-sidebar-stats strong { color: #0b61b6; }
.premium-sidebar-stats small { color: #6e859a; }

.premium-sidebar-list {
    max-height: calc(100vh - 310px);
    padding: 14px;
}

.premium-sidebar-module header {
    padding: 4px 4px 11px;
}

.premium-sidebar-module header strong {
    color: #103254;
    font-size: 13px;
}

.premium-sidebar-module li a,
.premium-sidebar-locked-row {
    min-height: 58px;
    padding: 10px;
    border-radius: 18px;
}

.premium-sidebar-module li strong {
    color: #214363;
    font-size: 12px;
}

.premium-sidebar-module li small {
    color: #7890a6;
    font-size: 10px;
}

.premium-sidebar-module li.is-current a {
    border-color: rgba(11,102,195,.16);
    background: linear-gradient(180deg, #fff, #eff8ff);
    box-shadow: 0 12px 24px rgba(11,102,195,.10);
}

.premium-preview-head {
    padding: 0 0 12px;
    border-bottom: 1px solid rgba(17,75,135,.10);
}

.premium-preview-head span {
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .12em;
}

.premium-preview-head strong {
    font-size: 14px;
    color: #4b6986;
}

.premium-preview-lesson {
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.premium-preview-lesson > header {
    padding: 26px 0 18px;
    background: transparent;
}

.premium-preview-lesson h1 {
    color: #0a274a;
    font-size: clamp(40px, 5vw, 64px);
    line-height: 1;
    letter-spacing: -.06em;
}

.premium-preview-lesson header > p:not(.public-kicker) {
    max-width: 760px;
    margin-top: 16px;
    color: #607d98;
    font-size: 16px;
    line-height: 1.78;
}

.premium-video-frame,
.premium-video-placeholder {
    width: 100%;
    margin: 0;
    border-radius: 28px;
    box-shadow: 0 24px 54px rgba(12,42,78,.10);
}

.premium-video-frame {
    border: 1px solid rgba(17,75,135,.10);
    background: #081c35;
}

.public-preview-video iframe,
.public-preview-video video {
    display: block;
    width: 100%;
    min-height: 420px;
    border: 0;
    border-radius: 28px;
}

.premium-video-placeholder {
    min-height: 360px;
    border: 1px solid rgba(11,102,195,.12);
    background: linear-gradient(145deg, #f8fbff, #edf6ff);
}

.premium-preview-resources {
    margin-top: 28px;
    border: 1px solid rgba(17,75,135,.10);
    border-radius: 24px;
    background: rgba(255,255,255,.92);
    box-shadow: 0 18px 40px rgba(12,42,78,.06);
}

.premium-preview-prose {
    margin-top: 28px;
    padding: 0 0 10px;
    color: #244664;
    font-size: 17px;
    line-height: 1.92;
}

.premium-preview-prose > *:first-child { margin-top: 0; }
.premium-preview-prose p { margin-bottom: 1.15em; }

.premium-preview-cta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 22px;
    align-items: center;
    margin-top: 34px;
    padding: 28px 32px;
    border: 1px solid rgba(17,75,135,.10);
    border-radius: 28px;
    background:
        radial-gradient(circle at 85% 0%, rgba(202,164,93,.11), transparent 24%),
        linear-gradient(135deg, rgba(255,255,255,.98), rgba(238,247,255,.96));
    box-shadow: 0 18px 42px rgba(12,42,78,.07);
}

.premium-preview-cta h2 {
    color: #0a274a;
    font-size: clamp(31px, 3.2vw, 42px);
    line-height: 1.05;
}

.premium-preview-cta p:not(.public-kicker) {
    margin-top: 10px;
    max-width: 720px;
    color: #64809b;
    font-size: 15px;
    line-height: 1.75;
}

.premium-preview-cta .public-btn-primary {
    min-width: 206px;
    min-height: 52px;
    white-space: nowrap;
}

@media (max-width: 1020px) {
    body.public-page .public-main {
        width: min(100% - 32px, 940px);
    }

    .premium-course-hero {
        gap: 34px;
        padding-bottom: 18px;
    }

    .premium-detail-banner,
    .premium-preview-cta {
        grid-template-columns: 1fr;
    }

    .premium-detail-banner .public-btn-light,
    .premium-preview-cta .public-btn-primary {
        justify-self: start;
    }

    .public-preview-video iframe,
    .public-preview-video video {
        min-height: 360px;
    }
}

@media (max-width: 760px) {
    body.public-page .public-main {
        width: calc(100% - 24px);
    }

    .premium-course-hero {
        padding-top: 6px;
        gap: 24px;
    }

    .premium-course-copy {
        padding-top: 12px;
    }

    .premium-course-highlights {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .premium-course-highlights article {
        padding-right: 0;
    }

    .premium-course-visual {
        min-height: 250px;
        border-radius: 24px;
    }

    .premium-curriculum-heading {
        padding-bottom: 18px;
    }

    .premium-module-card header {
        grid-template-columns: 48px minmax(0, 1fr);
        gap: 12px;
    }

    .premium-module-card header b {
        grid-column: 2;
        justify-self: start;
        margin-top: 6px;
    }

    .premium-module-card header h3 {
        font-size: 24px;
    }

    .premium-module-card li {
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 10px;
    }

    .premium-module-card .public-lesson-icon {
        min-height: 68px;
    }

    .premium-module-card li > div {
        padding: 11px 0 6px;
    }

    .premium-lesson-status,
    .premium-module-card li > a {
        grid-column: 2;
        justify-self: start;
    }

    .premium-detail-banner {
        padding: 28px 24px;
        border-radius: 24px;
    }

    .premium-preview-shell {
        gap: 22px;
        margin: 26px auto 70px;
    }

    .premium-preview-lesson > header {
        padding-top: 20px;
    }

    .premium-preview-lesson h1 {
        font-size: 40px;
    }

    .public-preview-video iframe,
    .public-preview-video video,
    .premium-video-placeholder {
        min-height: 220px;
        border-radius: 20px;
    }

    .premium-preview-cta {
        padding: 24px 22px;
        border-radius: 22px;
    }
}

/* ========================================================================
   DANA EDUKASI - MOBILE UI/UX POLISH V13
   Fokus: HP lebih rapi, lebih natural, lebih padat, dan tidak terasa template.
   Desktop tidak diubah. Tidak mengubah fungsi, route, login, database, atau data.
   ======================================================================== */

/* Perbaiki kartu unlock yang sebelumnya bisa kehilangan background gelap
   akibat urutan CSS sehingga teks putih tampak seperti ruang kosong. */
body.public-page .premium-sidebar-card.premium-unlock-card {
    min-height: 0;
    border: 0;
    background: linear-gradient(135deg, #0a376c 0%, #0b67c7 100%);
    color: #fff;
    box-shadow: 0 12px 28px rgba(8, 66, 128, .16);
}
body.public-page .premium-sidebar-card.premium-unlock-card strong,
body.public-page .premium-sidebar-card.premium-unlock-card small {
    color: #fff;
}
body.public-page .premium-sidebar-card.premium-unlock-card small {
    opacity: .82;
}

@media (max-width: 760px) {
    html { scroll-padding-top: 76px; }

    body.public-page {
        overflow-x: hidden;
        background: #f7faff;
    }

    body.public-page .public-main {
        width: calc(100% - 32px) !important;
        max-width: 100%;
        padding-right: 0;
        padding-left: 0;
    }

    /* HEADER: lebih ringkas dan terasa seperti produk nyata */
    body.public-page .public-header {
        position: sticky;
        z-index: 100;
        top: 0;
        min-height: 64px;
        height: 64px;
        padding: 0 16px;
        border-bottom: 1px solid #e9f0f7;
        background: rgba(255, 255, 255, .96);
        box-shadow: 0 6px 22px rgba(15, 45, 80, .045);
        backdrop-filter: blur(12px);
    }
    body.public-page .public-brand { gap: 9px; }
    body.public-page .public-brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        font-size: 20px;
        box-shadow: 0 7px 16px rgba(13, 102, 203, .18);
    }
    body.public-page .public-brand small { display: none; }
    body.public-page .public-brand strong {
        font-size: 18px;
        font-weight: 850;
        letter-spacing: -.025em;
    }
    body.public-page .public-nav { gap: 10px; }
    body.public-page .public-nav > a:not(.public-nav-login):not(.public-nav-action) { display: none; }
    body.public-page .public-nav-login {
        padding: 9px 3px;
        font-size: 13px;
        font-weight: 800;
    }
    body.public-page .public-nav .public-nav-action {
        min-height: 40px;
        padding: 0 13px;
        border-radius: 12px;
        font-size: 13px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* BERANDA: hilangkan kesan terlalu besar / terlalu banyak ruang kosong */
    body.public-page .home-v2 {
        padding: 18px 0 48px;
    }
    body.public-page .home-v2-hero {
        display: block;
        min-height: 0;
        margin: 0;
        overflow: visible;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }
    body.public-page .home-v2-hero-copy {
        max-width: none;
        padding: 14px 0 0 !important;
    }
    body.public-page .home-v2-eyebrow {
        margin: 0 0 14px;
        font-size: 10px;
        line-height: 1.3;
        letter-spacing: .13em;
    }
    body.public-page .home-v2-eyebrow > span { width: 22px; }
    body.public-page .home-v2-hero h1 {
        max-width: 100% !important;
        margin: 0;
        font-size: clamp(38px, 10.7vw, 44px) !important;
        line-height: 1.015;
        letter-spacing: -.052em;
    }
    body.public-page .home-v2-lead {
        max-width: 100%;
        margin-top: 17px;
        font-size: 15px;
        line-height: 1.65;
    }
    body.public-page .home-v2-actions {
        display: grid;
        grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
        gap: 9px;
        margin-top: 22px;
    }
    body.public-page .home-v2-btn {
        width: 100%;
        min-height: 46px;
        padding: 0 12px;
        border-radius: 13px;
        font-size: 11.5px;
        white-space: nowrap;
    }
    body.public-page .home-v2-hero-stats {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
        margin-top: 18px;
    }
    body.public-page .home-v2-hero-stats article,
    body.public-page .home-v2-hero-stats article + article {
        min-width: 0;
        min-height: 82px;
        padding: 12px 10px;
        border: 1px solid #dfebf7;
        border-radius: 14px;
        background: rgba(255,255,255,.82);
        box-shadow: 0 6px 16px rgba(16, 74, 132, .04);
    }
    body.public-page .home-v2-hero-stats strong {
        display: block;
        font-size: 12.5px;
        line-height: 1.25;
    }
    body.public-page .home-v2-hero-stats small {
        display: block;
        margin-top: 5px;
        font-size: 10.5px;
        line-height: 1.35;
    }
    body.public-page .home-v2-hero-visual {
        min-height: 275px;
        margin-top: 20px;
        overflow: hidden;
        border-radius: 20px;
        background: linear-gradient(180deg, #eef7ff 0%, #e4f2ff 100%);
    }
    body.public-page .home-v2-hero-lines { display: none; }
    body.public-page .home-v2-hero-glow {
        right: 50%;
        bottom: 8%;
        width: 220px;
        transform: translateX(50%);
        box-shadow: 0 0 0 20px rgba(219, 238, 255, .48);
    }
    body.public-page .home-v2-person {
        right: 50%;
        bottom: -2px;
        width: 292px;
        height: 96%;
        transform: translateX(50%);
    }
    body.public-page .home-v2-progress-card {
        right: 10px;
        bottom: 10px;
        width: 150px;
        padding: 10px 11px;
        border-radius: 12px;
    }
    body.public-page .home-v2-progress-card span { font-size: 8.5px; }
    body.public-page .home-v2-progress-card strong { font-size: 10.5px; }

    body.public-page .home-v2-courses { padding-top: 40px !important; }
    body.public-page .home-v2-heading {
        gap: 9px;
        margin-bottom: 18px;
    }
    body.public-page .home-v2-heading h2 {
        max-width: 100%;
        font-size: 30px;
        line-height: 1.08;
        letter-spacing: -.04em;
    }
    body.public-page .home-v2-heading > div > p:not(.home-v2-eyebrow) {
        margin-top: 8px;
        font-size: 13px;
        line-height: 1.6;
    }
    body.public-page .home-v2-count {
        padding: 7px 10px;
        border-radius: 10px;
        font-size: 10px;
    }
    body.public-page .home-v2-course-grid { gap: 12px; }
    body.public-page .home-v2-course-card {
        grid-template-columns: 116px minmax(0, 1fr);
        overflow: hidden;
        border-radius: 16px;
        box-shadow: 0 8px 20px rgba(16, 70, 126, .055);
    }
    body.public-page .home-v2-course-body { padding: 13px 12px; }
    body.public-page .home-v2-course-body h3 a {
        font-size: 20px;
        line-height: 1.08;
    }
    body.public-page .home-v2-course-body > p {
        font-size: 10.5px;
        line-height: 1.55;
    }
    body.public-page .home-v2-course-actions {
        align-items: center;
        flex-direction: row;
        gap: 8px;
        margin-top: 10px;
    }
    body.public-page .home-v2-course-actions > a:first-child { font-size: 9px; }
    body.public-page .home-v2-card-cta {
        width: auto;
        min-height: 32px;
        padding: 0 9px;
        border-radius: 9px;
        font-size: 9px;
        white-space: nowrap;
    }

    /* DETAIL KELAS: tipografi lebih realistis, dekorasi dikurangi */
    body.public-page .premium-course-orb { display: none; }
    body.public-page .premium-course-hero {
        margin: 14px 0 0;
        padding: 8px 0 28px;
        gap: 20px;
    }
    body.public-page .premium-course-copy { padding-top: 0; }
    body.public-page .premium-back-link {
        margin-bottom: 13px;
        font-size: 13px;
    }
    body.public-page .premium-chip-row {
        gap: 7px;
        margin-bottom: 16px;
        overflow-x: auto;
        padding-bottom: 2px;
        scrollbar-width: none;
    }
    body.public-page .premium-chip-row::-webkit-scrollbar { display: none; }
    body.public-page .premium-chip-row > span {
        flex: 0 0 auto;
        padding: 8px 10px;
        border-radius: 10px;
        font-size: 10.5px;
    }
    body.public-page .premium-course-hero h1,
    body.public-page .premium-curriculum-heading h2,
    body.public-page .premium-preview-lesson h1,
    body.public-page .premium-sidebar-summary h2,
    body.public-page .premium-detail-banner h2,
    body.public-page .premium-preview-cta h2 {
        font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        font-weight: 820;
    }
    body.public-page .premium-course-hero h1 {
        max-width: 100%;
        font-size: clamp(38px, 10.8vw, 44px);
        line-height: 1.02;
        letter-spacing: -.052em;
    }
    body.public-page .premium-course-hero .public-course-hero-copy > p:not(.public-kicker) {
        margin-top: 16px;
        font-size: 15px;
        line-height: 1.65;
    }
    body.public-page .premium-course-highlights {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-top: 21px;
    }
    body.public-page .premium-course-highlights article {
        display: grid;
        grid-template-columns: 36px minmax(0, 1fr);
        grid-template-rows: auto auto;
        column-gap: 11px;
        min-height: 0;
        padding: 11px 13px;
        border: 1px solid #e0ebf6;
        border-left: 1px solid #e0ebf6 !important;
        border-radius: 13px;
        background: rgba(255,255,255,.78);
    }
    body.public-page .premium-course-highlights span {
        grid-row: 1 / 3;
        align-self: center;
        display: grid;
        width: 34px;
        height: 34px;
        margin: 0;
        place-items: center;
        border-radius: 10px;
        background: #eaf5ff;
        font-size: 10px;
    }
    body.public-page .premium-course-highlights strong {
        margin: 0;
        font-size: 14px;
        line-height: 1.25;
    }
    body.public-page .premium-course-highlights small {
        margin: 3px 0 0;
        font-size: 11px;
        line-height: 1.4;
    }
    body.public-page .premium-detail-cta {
        display: grid;
        grid-template-columns: 1fr;
        gap: 9px;
        margin-top: 22px;
    }
    body.public-page .premium-detail-cta .public-btn-primary,
    body.public-page .premium-detail-cta .public-btn-secondary {
        width: 100%;
        min-height: 48px;
        justify-content: center;
        border-radius: 13px;
    }
    body.public-page .premium-detail-cta > small {
        justify-content: center;
        font-size: 11px;
    }
    body.public-page .premium-course-visual {
        min-height: 220px;
        margin-top: 0;
        border-radius: 18px;
        box-shadow: 0 12px 28px rgba(12, 42, 78, .09);
    }
    body.public-page .premium-floating-note { display: none; }

    /* KURIKULUM: list ringkas, status dan tombol tidak turun terlalu jauh */
    body.public-page .premium-curriculum-section {
        padding: 34px 0 48px;
    }
    body.public-page .premium-curriculum-heading {
        display: block;
        padding: 0 0 18px;
    }
    body.public-page .premium-curriculum-heading h2 {
        max-width: 100%;
        font-size: 30px;
        line-height: 1.08;
        letter-spacing: -.045em;
    }
    body.public-page .premium-curriculum-heading p:not(.public-kicker) {
        margin-top: 10px;
        font-size: 13.5px;
        line-height: 1.6;
    }
    body.public-page .premium-curriculum-heading > span {
        display: inline-flex;
        margin-top: 13px;
        padding: 7px 10px;
        border-radius: 10px;
        font-size: 10px;
    }
    body.public-page .premium-module-list {
        gap: 17px;
        margin-top: 16px;
    }
    body.public-page .premium-module-card + .premium-module-card {
        padding-top: 17px;
    }
    body.public-page .premium-module-card header {
        grid-template-columns: 42px minmax(0, 1fr) auto;
        gap: 10px;
        padding: 0 0 12px;
    }
    body.public-page .premium-module-card header > span {
        width: 40px;
        height: 40px;
        border-radius: 12px;
    }
    body.public-page .premium-module-card header h3 {
        margin-top: 2px;
        font-size: 21px;
        line-height: 1.12;
    }
    body.public-page .premium-module-card header small { font-size: 9px; }
    body.public-page .premium-module-card header b {
        grid-column: 3;
        margin-top: 0;
        padding: 7px 9px;
        border-radius: 9px;
        font-size: 9px;
        white-space: nowrap;
    }
    body.public-page .premium-module-card ul { gap: 0; }
    body.public-page .premium-module-card li {
        grid-template-columns: 36px minmax(0, 1fr) auto;
        grid-template-rows: auto auto;
        gap: 4px 10px;
        min-height: 66px;
        padding: 9px 0;
        border-bottom: 1px solid #e9f0f7;
    }
    body.public-page .premium-module-card li:last-child { border-bottom: 0; }
    body.public-page .premium-module-card .public-lesson-icon {
        grid-row: 1 / 3;
        width: 34px;
        min-height: 44px;
        height: 44px;
        align-self: center;
        border-radius: 11px;
    }
    body.public-page .premium-module-card li > div {
        grid-row: 1 / 3;
        padding: 0;
        border-bottom: 0;
        align-self: center;
    }
    body.public-page .premium-module-card li strong {
        font-size: 13px;
        line-height: 1.3;
        white-space: normal;
    }
    body.public-page .premium-module-card li small {
        margin-top: 3px;
        font-size: 10px;
        line-height: 1.35;
    }
    body.public-page .premium-lesson-status {
        grid-column: 3;
        grid-row: 1;
        justify-self: end;
        align-self: end;
        padding: 5px 7px;
        font-size: 9px;
        border-radius: 8px;
    }
    body.public-page .premium-module-card li > a {
        grid-column: 3;
        grid-row: 2;
        justify-self: end;
        align-self: start;
        min-height: 29px;
        padding: 0 9px;
        border-radius: 8px;
        font-size: 9.5px;
    }

    /* PREVIEW MATERI: materi dulu, kurikulum menyusul; bukan sidebar raksasa di atas */
    body.public-page .premium-preview-shell {
        display: flex;
        flex-direction: column;
        gap: 18px;
        margin: 16px 0 52px;
    }
    body.public-page .premium-preview-main { order: 1; }
    body.public-page .premium-preview-sidebar {
        order: 2;
        position: static;
        gap: 10px;
        margin-top: 10px;
    }
    body.public-page .premium-preview-sidebar > .premium-back-link { display: none; }
    body.public-page .premium-preview-head {
        display: flex;
        flex-direction: row;
        align-items: flex-end;
        justify-content: space-between;
        gap: 12px;
        padding: 0 0 11px;
    }
    body.public-page .premium-preview-head div {
        display: flex;
        min-width: 0;
        flex-direction: column;
        gap: 2px;
    }
    body.public-page .premium-preview-head span {
        font-size: 9px;
        letter-spacing: .12em;
    }
    body.public-page .premium-preview-head strong {
        overflow: hidden;
        max-width: 190px;
        font-size: 11px;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    body.public-page .premium-preview-small-link {
        flex: 0 0 auto;
        font-size: 10px;
    }
    body.public-page .premium-preview-lesson > header {
        padding: 20px 0 15px;
    }
    body.public-page .premium-preview-lesson h1 {
        font-size: 34px;
        line-height: 1.05;
        letter-spacing: -.045em;
    }
    body.public-page .premium-preview-lesson header > p:not(.public-kicker) {
        margin-top: 11px;
        font-size: 13.5px;
        line-height: 1.6;
    }
    body.public-page .premium-video-frame,
    body.public-page .premium-video-placeholder,
    body.public-page .public-preview-video {
        width: 100%;
        margin: 0;
        border-radius: 14px;
    }
    body.public-page .public-preview-video iframe,
    body.public-page .public-preview-video video {
        width: 100%;
        min-height: 0;
        aspect-ratio: 16 / 9;
        border-radius: 14px;
    }
    body.public-page .premium-video-placeholder {
        min-height: 190px;
    }
    body.public-page .premium-preview-resources {
        margin-top: 18px;
        border-radius: 16px;
    }
    body.public-page .premium-preview-prose {
        margin-top: 20px;
        padding: 0 0 4px;
        font-size: 15px;
        line-height: 1.78;
    }
    body.public-page .premium-preview-cta {
        gap: 14px;
        margin-top: 24px;
        padding: 19px;
        border-radius: 16px;
        box-shadow: none;
    }
    body.public-page .premium-preview-cta h2 {
        font-size: 27px;
        line-height: 1.1;
        letter-spacing: -.035em;
    }
    body.public-page .premium-preview-cta p:not(.public-kicker) {
        margin-top: 8px;
        font-size: 13px;
        line-height: 1.55;
    }
    body.public-page .premium-preview-cta .public-btn-primary {
        width: 100%;
        min-width: 0;
        min-height: 46px;
        justify-content: center;
        border-radius: 12px;
    }

    body.public-page .premium-sidebar-card {
        border-radius: 16px;
        box-shadow: 0 6px 18px rgba(12, 42, 78, .045);
    }
    body.public-page .premium-sidebar-summary { padding: 17px; }
    body.public-page .premium-sidebar-summary h2 {
        font-size: 24px;
        line-height: 1.08;
        letter-spacing: -.035em;
    }
    body.public-page .premium-sidebar-stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 7px;
        margin-top: 13px;
    }
    body.public-page .premium-sidebar-stats span {
        padding: 9px 6px;
        border-radius: 11px;
    }
    body.public-page .premium-sidebar-stats strong { font-size: 16px; }
    body.public-page .premium-sidebar-stats small { font-size: 9px; }
    body.public-page .premium-sidebar-list {
        max-height: none;
        padding: 10px;
    }
    body.public-page .premium-sidebar-module header {
        grid-template-columns: 30px minmax(0,1fr);
        padding: 3px 3px 9px;
    }
    body.public-page .premium-sidebar-module header strong {
        font-size: 12px;
    }
    body.public-page .premium-sidebar-module li a,
    body.public-page .premium-sidebar-locked-row {
        min-height: 50px;
        padding: 8px;
        border-radius: 12px;
    }
    body.public-page .premium-sidebar-card.premium-unlock-card {
        grid-template-columns: 34px minmax(0, 1fr);
        gap: 9px;
        padding: 14px;
        border-radius: 15px;
        background: linear-gradient(135deg, #0a376c 0%, #0b67c7 100%);
        color: #fff;
    }
    body.public-page .premium-sidebar-card.premium-unlock-card a {
        grid-column: 2;
        justify-self: start;
        margin-top: 2px;
        padding: 8px 11px;
    }

    /* Banner / footer dibuat lebih sederhana di HP */
    body.public-page .premium-detail-banner {
        gap: 16px;
        margin: 0 0 48px;
        padding: 22px 19px;
        border-radius: 16px;
    }
    body.public-page .premium-detail-banner h2 {
        font-size: 27px;
        line-height: 1.1;
    }
    body.public-page .premium-detail-banner .public-btn-light { width: 100%; }

    body.public-page .public-footer.public-footer-premium {
        margin-top: 36px;
        padding: 34px 20px 24px;
    }
    body.public-page .public-footer-premium .public-footer-inner { gap: 18px; }
    body.public-page .public-footer-premium .public-footer-about p {
        margin-top: 14px;
        font-size: 13px;
        line-height: 1.6;
    }
    body.public-page .public-footer-premium .public-footer-bottom {
        margin-top: 28px;
        padding-top: 18px;
        font-size: 11px;
    }
}

@media (max-width: 430px) {
    body.public-page .public-main { width: calc(100% - 28px) !important; }

    body.public-page .home-v2-hero h1 { font-size: 39px !important; }
    body.public-page .home-v2-actions { grid-template-columns: 1fr; }
    body.public-page .home-v2-btn { font-size: 12px; }
    body.public-page .home-v2-hero-stats { gap: 6px; }
    body.public-page .home-v2-hero-stats article,
    body.public-page .home-v2-hero-stats article + article {
        min-height: 78px;
        padding: 10px 8px;
    }
    body.public-page .home-v2-hero-stats strong { font-size: 11.5px; }
    body.public-page .home-v2-hero-stats small { font-size: 9.5px; }
    body.public-page .home-v2-course-card { grid-template-columns: 108px minmax(0, 1fr); }

    body.public-page .premium-course-hero h1 { font-size: 38px; }
    body.public-page .premium-module-card header {
        grid-template-columns: 40px minmax(0, 1fr);
    }
    body.public-page .premium-module-card header b {
        grid-column: 2;
        justify-self: start;
        margin-top: 3px;
    }
    body.public-page .premium-module-card li {
        grid-template-columns: 34px minmax(0, 1fr);
        grid-template-rows: auto auto auto;
        gap: 3px 9px;
    }
    body.public-page .premium-module-card .public-lesson-icon {
        grid-column: 1;
        grid-row: 1 / 4;
    }
    body.public-page .premium-module-card li > div {
        grid-column: 2;
        grid-row: 1;
    }
    body.public-page .premium-lesson-status {
        grid-column: 2;
        grid-row: 2;
        justify-self: start;
        align-self: start;
    }
    body.public-page .premium-module-card li > a {
        grid-column: 2;
        grid-row: 3;
        justify-self: start;
    }

    body.public-page .premium-preview-head strong { max-width: 150px; }
    body.public-page .premium-preview-lesson h1 { font-size: 31px; }
}