/* Halaman publik & panel — tema EDUFARGO */
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 "Nunito", system-ui, "Segoe UI", Roboto, sans-serif; transition: background .3s, color .3s; }
h1, h2, h3, .num, .nav-brand { font-family: "Fredoka", "Nunito", sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.hide { display: none !important; }

/* ---------- Navigasi ---------- */
.nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 10px 20px; background: color-mix(in srgb, var(--card) 92%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); }
.nav-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--muted); }
.nav-brand img { height: 34px; width: auto; }
.nav-school { font-family: "Nunito", sans-serif; font-weight: 800; font-size: 13px; border-left: 2px solid var(--yellow); padding-left: 12px; }
.nav-links { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav-links a { text-decoration: none; color: var(--text); font-weight: 800; font-size: 14px; padding: 6px 12px; border-radius: 999px; }
.nav-links a:hover { background: var(--bg2); }
.nav-links a.on { background: var(--on-bg); color: var(--on-ink); }
@media (max-width: 640px) { .nav-school { display: none; } }

.btn { font: inherit; font-weight: 800; font-size: 15px; display: inline-block; text-decoration: none; padding: 10px 18px; border-radius: 999px;
  border: 1.5px solid var(--line2); color: var(--text); background: var(--card); cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; }
.pill { font-size: 13px; font-weight: 800; padding: 4px 12px; border-radius: 999px; background: var(--off-bg); color: var(--off-ink); }
.pill.ok { background: var(--on-bg); color: var(--on-ink); }
.pill.bad { background: var(--bad-bg); color: var(--bad-ink); }
.pill.warn { background: var(--warn-bg); color: var(--warn-ink); }

/* ---------- Hero ---------- */
.hero { display: grid; grid-template-columns: 1.35fr 1fr; gap: 24px; align-items: center; padding-top: 40px; padding-bottom: 24px; }
.chip { display: inline-block; font-weight: 800; font-size: 13px; color: var(--teal); background: var(--on-bg); padding: 4px 12px; border-radius: 999px; }
.hero h1 { font-size: clamp(30px, 4.4vw, 50px); line-height: 1.1; margin: 14px 0 12px; color: var(--teal); font-weight: 600; }
.hero h1 em { font-style: normal; color: var(--green); }
.lead { font-size: 17px; color: var(--muted); }
.hero .lead { font-size: 18px; }
.live-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin: 18px 0; padding: 12px 16px; border-radius: 14px;
  background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.live-item { color: var(--muted); font-weight: 700; }
.live-item b { font-family: "Fredoka", sans-serif; font-size: 22px; color: var(--text); font-weight: 600; }
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-mascot { width: 100%; max-width: 380px; justify-self: center; filter: drop-shadow(0 18px 24px rgba(18, 98, 90, .16)); }
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding-top: 24px; }
  .hero-mascot { max-width: 220px; order: -1; }
}

/* ---------- Pilar ---------- */
.pillars-band { background: var(--band); color: var(--band-ink); margin-top: 16px; }
.pillars { display: grid; grid-template-columns: repeat(5, 1fr); }
.pillar { padding: 22px 12px; text-align: center; border-right: 1px solid rgba(255,255,255,.12); display: flex; flex-direction: column; align-items: center; gap: 4px; }
.pillar:last-child { border-right: 0; }
.pillar svg { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 4px; }
.pillar b { font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 17px; color: #fff; text-transform: uppercase; letter-spacing: .04em; }
.pillar span { font-size: 13px; opacity: .85; }
@media (max-width: 760px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .pillar { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .pillar:last-child { grid-column: span 2; }
}

/* ---------- Seksi ---------- */
.section { padding-top: 56px; padding-bottom: 56px; }
.section.alt { background: var(--bg2); }
.num { display: block; font-size: 15px; font-weight: 600; color: var(--yellow); letter-spacing: .1em; }
.section h2 { font-size: clamp(26px, 3vw, 36px); margin: 2px 0 10px; color: var(--teal); font-weight: 600; }
.section > .lead, .section .wrap > .lead { max-width: 760px; }

.steps4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 20px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 4px; }
.step b { font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 19px; color: var(--teal); }
.step span { color: var(--muted); font-size: 15px; }
.sicon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 6px; }
.sicon svg { width: 24px; height: 24px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.c-green { background: var(--green); } .c-teal { background: var(--teal); } .c-yellow { background: var(--yellow); } .c-blue { background: var(--blue); }
@media (max-width: 860px) { .steps4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .steps4 { grid-template-columns: 1fr; } }

/* Alur */
.flow { display: flex; align-items: stretch; gap: 8px; margin-top: 22px; flex-wrap: wrap; }
.flow.back { margin-top: 12px; }
.flow.back::before { content: "Perintah ↩"; align-self: center; font-weight: 800; font-size: 13px; color: var(--muted); width: 100%; }
.flow:not(.back)::before { content: "Data ↪"; font-weight: 800; font-size: 13px; color: var(--muted); width: 100%; }
.fnode { flex: 1; min-width: 120px; background: var(--card); border: 1.5px solid var(--line2); border-radius: 14px; padding: 12px 14px; display: flex; flex-direction: column; justify-content: center; }
.fnode b { font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 17px; color: var(--teal); }
.fnode span { font-size: 13px; color: var(--muted); font-weight: 700; }
.fnode.hl { border-color: var(--green); background: var(--on-bg); }
.farrow { align-self: center; font-size: 22px; font-weight: 800; color: var(--yellow); }
@media (max-width: 760px) {
  .flow { flex-direction: column; }
  .farrow { transform: rotate(90deg); line-height: 1; }
}

/* Detail teknis */
details.tech { margin-top: 18px; border: 1px dashed var(--line2); border-radius: 12px; padding: 4px 14px; background: color-mix(in srgb, var(--card) 60%, transparent); }
details.tech summary { cursor: pointer; font-weight: 800; color: var(--accent); padding: 8px 0; font-size: 14px; }
details.tech p, details.tech ul { color: var(--muted); font-size: 15px; margin: 4px 0 12px; }
details.tech li { margin-bottom: 6px; }
code { font-size: 13px; background: var(--bg2); padding: 1px 6px; border-radius: 6px; }

/* Komponen */
.legend-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 18px; }
.tag { font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 999px; }
.tag.sensor { background: var(--pause-bg); color: var(--pause-ink); }
.tag.brain { background: var(--on-bg); color: var(--teal); }
.tag.act { background: var(--warn-bg); color: var(--warn-ink); }
.tag.disp { background: var(--off-bg); color: var(--off-ink); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.comp { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.comp-h { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.comp h3 { font-size: 19px; font-weight: 600; margin: 10px 0 4px; color: var(--teal); }
.comp p { margin: 0; color: var(--muted); font-size: 15px; }
.comp details.tech { margin-top: auto; padding-top: 2px; }
.comp > p { margin-bottom: 12px; }
.live { font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 15px; color: var(--text); background: var(--bg2); padding: 2px 10px; border-radius: 999px; white-space: nowrap; }
.live.on { background: var(--on-bg); color: var(--on-ink); }
.live.off { background: var(--off-bg); color: var(--off-ink); }
.live.pause { background: var(--pause-bg); color: var(--pause-ink); }
.live.bad { background: var(--bad-bg); color: var(--bad-ink); }

/* Aturan */
.rules { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 18px; }
.rule { background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--green); border-radius: 0; padding: 16px 20px; }
.rule.r-mist { border-left-color: var(--rh); } .rule.r-fan { border-left-color: var(--teal); }
.rule.r-lamp { border-left-color: var(--yellow); } .rule.r-door { border-left-color: var(--green); }
.rule h3 { margin: 0 0 6px; font-size: 20px; font-weight: 600; color: var(--teal); }
.rule p { margin: 6px 0; color: var(--muted); }
.rule p b { color: var(--text); }
[data-cfg] { font-weight: 800; color: var(--text); }
@media (max-width: 760px) { .rules { grid-template-columns: 1fr; } }

/* Pengaman */
.safe { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; }
.safe div { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; display: flex; flex-direction: column; gap: 4px; }
.safe b { font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 17px; color: var(--teal); }
.safe span { color: var(--muted); font-size: 15px; }
@media (max-width: 860px) { .safe { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .safe { grid-template-columns: 1fr; } }

/* Rencana */
.roadmap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.roadmap div { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; display: flex; flex-direction: column; gap: 6px; }
.roadmap b { font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 18px; color: var(--teal); }
.roadmap span:last-child { color: var(--muted); font-size: 15px; }
.badge { align-self: flex-start; font-size: 12px; font-weight: 800; padding: 2px 10px; border-radius: 999px; background: var(--off-bg); color: var(--off-ink); }
.badge.now { background: var(--on-bg); color: var(--on-ink); }
@media (max-width: 860px) { .roadmap { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .roadmap { grid-template-columns: 1fr; } }

/* Footer */
.foot { background: var(--band); color: var(--band-ink); padding: 26px 0; }
.foot-in { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.foot-logo { height: 92px; background: #fff; border-radius: 16px; padding: 8px; }
.foot b { display: block; font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 19px; color: #fff; }
.foot span { display: block; font-weight: 700; }
.foot i { display: block; margin-top: 4px; opacity: .85; }

/* Logo sekolah & jurusan */
.nav-sekolah { height: 34px !important; }
.foot-in { align-items: center; }
.foot-logo { height: 110px; }
.foot-text { flex: 1 1 260px; min-width: 0; }
.foot-inst { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.foot-label { font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--yellow); }
.foot-inst-row { display: flex; align-items: center; gap: 12px; }
.foot-inst-row img { height: 64px; width: auto; }
.foot-inst-row b { font-size: 15px; }
.foot-inst-row span { font-size: 13px; max-width: 240px; }
.foot-credit { margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.18); font-size: 13px; font-weight: 700; opacity: .85; }