/* Halaman depan situs demo Ruci BSC (tanpa build; terang/gelap mengikuti perangkat) */
:root {
    --taum: #1F4E8C; --kencu: #D32F2F; --kertas: #F4F7FB; --kertas-2: #E8EEF6; --putih: #fff;
    --tinta: #0F2A4A; --tinta-2: #5B6B82; --garis: #DCE4EF;
    --warn-bg: #FDECEC; --warn-tx: #7A1F1F; --warn-bd: #F2B8B8; --tag: #B42318; --link: #1F4E8C;
}
@media (prefers-color-scheme: dark) {
    :root {
        --kertas: #0B1626; --kertas-2: #12223A; --putih: #10203A;
        --tinta: #E6EDF7; --tinta-2: #A9B8CC; --garis: rgba(255,255,255,.12);
        --warn-bg: rgba(180,35,24,.16); --warn-tx: #F7C1BC; --warn-bd: rgba(180,35,24,.4); --link: #8DB4E8;
    }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--kertas); color: var(--tinta); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--link); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: clamp(1.8rem, 4.2vw, 2.7rem); font-weight: 800; letter-spacing: -.015em; }
h2 { font-size: clamp(1.35rem, 2.8vw, 1.9rem); font-weight: 750; }
h3 { font-size: 1.02rem; }
p { margin: 0 0 .6rem; }
code { font-size: .85em; background: var(--kertas-2); padding: .1rem .3rem; border-radius: .25rem; }
.l-wrap { max-width: 72rem; margin: 0 auto; padding: 0 16px; }
.l-narrow { max-width: 50rem; }
/* Kepala */
.l-top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--kertas) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--garis); }
.l-top-in { display: flex; align-items: center; gap: 1rem; height: 3.75rem; }
.l-brand { display: flex; align-items: center; gap: .5rem; font-size: 1.1rem; color: var(--tinta); text-decoration: none; white-space: nowrap; }
.l-brand b { color: var(--kencu); }
.l-logo { height: 2.1rem; width: auto; }
.l-nav { display: flex; gap: 1.1rem; margin-left: auto; font-size: .9rem; }
.l-nav a { color: var(--tinta-2); text-decoration: none; font-weight: 500; }
.l-nav a:hover { color: var(--tinta); }
@media (max-width: 860px) { .l-nav { display: none; } .l-top-in > .l-btn { margin-left: auto; } }
/* Tombol */
.l-btn { display: inline-flex; align-items: center; justify-content: center; padding: .65rem 1.15rem; border-radius: .55rem; border: 1.5px solid var(--taum); color: var(--link); font-weight: 650; font-size: .93rem; text-decoration: none; background: transparent; }
.l-btn:hover { background: var(--kertas-2); }
.l-btn-primary { background: var(--taum); color: #fff; }
.l-btn-primary:hover { background: #183F73; }
.l-btn-sm { padding: .4rem .9rem; font-size: .85rem; }
.l-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.1rem 0 .4rem; }
.l-center { justify-content: center; }
.l-note { font-size: .82rem; color: var(--tinta-2); }
.l-eyebrow { display: inline-block; font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--kencu); margin-bottom: .45rem; }
.l-lead { color: var(--tinta-2); font-size: 1rem; max-width: 52rem; }
/* Pembuka */
.l-hero { padding: 3rem 0 2.5rem; background: linear-gradient(180deg, var(--kertas-2), var(--kertas)); }
.l-hero-in { display: grid; gap: 2rem; align-items: center; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 960px) { .l-hero-in { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); } }
.l-shot { position: relative; margin: 0; border-radius: .8rem; overflow: hidden; border: 1px solid var(--garis); background: var(--putih); box-shadow: 0 12px 32px rgba(15,42,74,.12); }
.l-shot figcaption { padding: .5rem .8rem; font-size: .82rem; color: var(--tinta-2); border-top: 1px solid var(--garis); }
.l-tag { position: absolute; top: .6rem; right: .6rem; z-index: 1; font-size: .68rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: .15rem .5rem; border-radius: .3rem; background: var(--tag); color: #fff; }
.l-tag-inline { position: static; flex: none; margin-top: .1rem; }
/* Bagian */
.l-section { padding: 3.25rem 0; }
.l-alt { background: var(--kertas-2); }
.l-gap-top { margin-top: 1.25rem; }
.l-grid { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr); margin-top: 1rem; }
@media (min-width: 640px) { .l-grid-3, .l-grid-4, .l-grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 960px) { .l-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .l-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } .l-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
.l-card { display: block; background: var(--putih); border: 1px solid var(--garis); border-radius: .75rem; padding: 1.1rem 1.15rem; color: var(--tinta); text-decoration: none; }
.l-card p { color: var(--tinta-2); font-size: .9rem; margin: 0; }
.l-barrier .l-num { font-size: 2rem; font-weight: 800; color: var(--kencu); line-height: 1; margin-bottom: .35rem; }
.l-barrier > p:first-of-type { color: var(--tinta); font-weight: 600; margin-bottom: .6rem; }
.l-chip { display: inline-block; font-size: .72rem; font-weight: 700; padding: .12rem .5rem; border-radius: 999px; background: var(--warn-bg); color: var(--warn-tx); margin-bottom: .6rem; }
.l-barrier .l-answer { border-top: 1px dashed var(--garis); padding-top: .6rem; }
.l-phase-n { display: inline-grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: var(--taum); color: #fff; font-weight: 800; font-size: .85rem; margin-bottom: .5rem; }
.l-shots { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr); margin-top: 1.5rem; }
@media (min-width: 760px) { .l-shots { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.l-shot-sm { box-shadow: none; }
/* Data demo */
.l-demo-warn { display: flex; gap: .6rem; align-items: flex-start; padding: .65rem .9rem; border-radius: .55rem; font-size: .86rem; background: var(--warn-bg); color: var(--warn-tx); border: 1px solid var(--warn-bd); }
.l-case { display: flex; flex-direction: column; gap: .2rem; transition: border-color .15s, transform .15s; }
.l-case:hover { border-color: var(--taum); transform: translateY(-2px); }
.l-case-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .3rem; }
.l-code { font-size: .72rem; font-weight: 800; letter-spacing: .05em; padding: .12rem .45rem; border-radius: .3rem; background: var(--kertas-2); color: var(--link); }
.l-year { font-size: .72rem; font-weight: 700; color: #1E7B43; }
.l-case small { color: var(--tinta-2); font-size: .8rem; }
.l-case p { margin-top: .3rem; flex: 1; }
.l-stats { font-size: .78rem; color: var(--tinta-2); margin-top: .5rem; }
.l-go { font-weight: 700; font-size: .88rem; color: var(--link); margin-top: .35rem; }
@media (prefers-color-scheme: dark) { .l-year { color: #7FD6A0; } }
/* Panduan */
.l-cycle { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: .6rem; grid-template-columns: minmax(0, 1fr); counter-reset: c; }
@media (min-width: 760px) { .l-cycle { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
.l-cycle li { background: var(--putih); border: 1px solid var(--garis); border-top: 3px solid var(--taum); border-radius: .6rem; padding: .8rem .9rem; display: flex; flex-direction: column; gap: .15rem; font-size: .86rem; }
.l-cycle li > span:last-child { color: var(--tinta-2); }
.l-day { font-size: .72rem; font-weight: 800; color: var(--kencu); text-transform: uppercase; letter-spacing: .05em; }
.l-role ol { margin: .3rem 0 0; padding-left: 1.15rem; color: var(--tinta-2); font-size: .88rem; }
.l-role li { margin-bottom: .25rem; }
/* Ajakan */
.l-cta { display: grid; gap: 1rem; align-items: center; padding: 1.6rem; border-radius: .9rem; background: var(--taum); color: #fff; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 860px) { .l-cta { grid-template-columns: minmax(0, 3fr) auto; } }
.l-cta .l-eyebrow { color: #FFC9C9; }
.l-cta p { color: #DCE7F7; margin: 0; }
.l-cta .l-btn { border-color: #fff; color: #fff; }
.l-cta .l-btn-primary { background: #fff; color: var(--taum); }
.l-faq { background: var(--putih); border: 1px solid var(--garis); border-radius: .6rem; padding: .8rem 1rem; margin-top: .6rem; }
.l-faq summary { cursor: pointer; font-weight: 650; }
.l-faq p { color: var(--tinta-2); margin: .5rem 0 0; font-size: .92rem; }
.l-final { text-align: center; }
.l-foot { border-top: 1px solid var(--garis); padding: 1.5rem 0 2rem; font-size: .8rem; color: var(--tinta-2); text-align: center; }
.l-foot b { color: var(--tinta); }
.l-foot-warn { max-width: 48rem; margin: .5rem auto 0; color: var(--warn-tx); background: var(--warn-bg); border-radius: .4rem; padding: .5rem .75rem; }
.l-foot-warn b { color: inherit; }