/* Beranda MECHAFOLIO: gulir biasa (tanpa scrub). 3D tampil di dalam "jendela" [data-view];
   satu canvas WebGL dipindah ke jendela yang sedang terlihat. Komponen HUD dari landing.css. */
.home { --wrap: 1180px; background: #070b14; }
.home main { position: relative; z-index: 5; }
.home .sec, .home .facts { width: min(var(--wrap), calc(100% - 2 * var(--gutter))); margin-inline: auto; }
.home .sec { padding: clamp(72px, 10vw, 128px) 0 0; }
.home .narrow { width: min(820px, calc(100% - 2 * var(--gutter))); }
.home h1, .home h2, .home h3 { font-family: var(--f-display); color: var(--hud-text); margin: 0; }
.home h2 { font-size: clamp(30px, 4.2vw, 50px); line-height: 1.04; letter-spacing: -.01em; font-weight: 700; text-wrap: balance; }
.home h3 { font-size: 19px; line-height: 1.2; font-weight: 700; }
.home p { color: #b4c3dc; }
.sec-h { max-width: 720px; margin-bottom: 34px; }
.sec-h p:not(.kicker) { margin: 16px 0 0; font-size: 17px; line-height: 1.6; }

/* tampil sekali saat masuk layar (bukan mengikuti gulir) */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- jendela 3D ---------- */
.home #stage { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; opacity: 0; transition: opacity .5s ease; touch-action: pan-y; }
.view.live #stage { opacity: 1; }
.view {
  position: relative; overflow: hidden; isolation: isolate;
  background: #0a1222 url('../assets/art/hangar-1440.webp') center 70% / cover no-repeat;
}
.view::after { content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: rgba(6, 10, 20, .55); transition: opacity .5s; }
.view.live::after { opacity: 0; }
.view-box, .view-wide { border: 1px solid var(--hud-line); }
.view-box { height: clamp(440px, 64vh, 640px); }
.view-wide { height: clamp(440px, 66vh, 660px); }
.co-svg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 3; pointer-events: none; overflow: visible; }
.co-svg path { fill: none; stroke: var(--co, var(--accent)); stroke-width: 1.2; }
.co-svg .dot { fill: var(--co, var(--accent)); }
.co-svg .ring { fill: none; stroke: var(--co, var(--accent)); stroke-width: 1.2; opacity: .6; }
.co-svg .ruler line { stroke: var(--accent); stroke-width: 1.6; }
.co-svg .ruler text { fill: #fff; font: 600 12px var(--f-mono); paint-order: stroke; stroke: rgba(4, 9, 18, .6); stroke-width: 3px; }
.co-svg .ruler .tick-lbl { fill: #c9d6ec; font-size: 10.5px; font-weight: 500; }
.co-tags { position: absolute; inset: 0; z-index: 4; pointer-events: none; overflow: hidden; }
.view-load { position: absolute; left: 50%; top: 50%; z-index: 5; display: flex; align-items: center; gap: 10px; transform: translate(-50%, -50%); color: var(--hud-dim); font: 500 12px/1 var(--f-mono); transition: opacity .4s; }
.view-load i { width: 14px; height: 14px; border: 2px solid var(--hud-line); border-top-color: var(--accent); border-radius: 50%; animation: spin .9s linear infinite; }
.view-load.done { opacity: 0; pointer-events: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- hero ---------- */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 640px; max-height: 1100px; }
.view-hero { position: absolute; inset: 0; border: 0; }
.hero-shade { position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(90deg, rgba(5, 9, 18, .86) 0%, rgba(5, 9, 18, .55) 34%, rgba(5, 9, 18, 0) 58%), linear-gradient(0deg, #070b14 0%, rgba(7, 11, 20, 0) 22%); }
.hero-in { position: absolute; z-index: 6; left: var(--gutter); top: 50%; transform: translateY(-46%); width: min(600px, 46vw); }
.hero h1 { margin-top: 18px; font-size: clamp(36px, 4.4vw, 62px); line-height: 1.02; letter-spacing: -.015em; font-weight: 700; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-sub { margin: 20px 0 0; font-size: 17.5px; line-height: 1.6; color: #c9d6ec !important; max-width: 540px; }
.home .eyebrow { color: var(--hud-dim); }
.hero .ca-card { max-width: 480px; }
.btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }

/* ---------- fakta ---------- */
.facts { position: relative; z-index: 6; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--hud-line); background: var(--hud-bg); margin-top: -1px; }
.facts > div { display: grid; gap: 6px; padding: 20px 22px; border-right: 1px solid var(--hud-line-2); }
.facts > div:last-child { border-right: 0; }
.facts b { font: 700 26px/1 var(--f-display); color: var(--hud-text); }
.facts span { font-size: 14px; color: var(--hud-dim); line-height: 1.4; }

/* ---------- langkah ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.steps li { padding: 26px 24px 28px; }
.steps li b { display: inline-block; margin-bottom: 18px; font-size: 13px; color: var(--accent); }
.steps li p { margin: 10px 0 0; font-size: 15.5px; line-height: 1.6; }

/* ---------- kalkulator ---------- */
.calc { display: grid; grid-template-columns: 1.1fr 1fr; margin-top: 16px; }
.calc-in { padding: 26px 24px; border-right: 1px solid var(--hud-line-2); }
.calc-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 14px; }
.calc-row label { font-size: 15px; color: #c9d6ec; }
.calc-row output { font-size: 17px; color: var(--hud-text); }
.calc input[type="range"] { width: 100%; margin: 12px 0 6px; accent-color: var(--accent); height: 28px; }
.calc-out { padding: 26px 24px; display: grid; gap: 14px; align-content: start; }
.calc-out > div { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--hud-line-2); }
.calc-out strong { font-size: 18px; font-weight: 500; color: var(--hud-text); }
.calc-out .big strong { font-size: 30px; color: var(--accent); }
.calc-out .fine { margin: 0; line-height: 1.55; }

/* ---------- bagian & frame (dua kolom) ---------- */
.split { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
.split.rev { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); }
.split .sec-h { margin-bottom: 22px; }
.plist { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.plist button {
  width: 100%; display: grid; grid-template-columns: 10px 1fr auto auto; align-items: center; gap: 12px; min-height: 46px; padding: 0 14px;
  border: 1px solid var(--hud-line-2); background: rgba(10, 17, 32, .6); color: var(--hud-text); cursor: pointer; text-align: left; font: inherit;
  transition: border-color .2s, background .2s;
}
.plist button:hover { border-color: var(--hud-line); }
.plist button.on { border-color: var(--co); background: rgba(18, 30, 54, .9); }
.plist .sw { width: 10px; height: 10px; margin: 0; background: var(--co); }
.plist .pn { display: flex; gap: 10px; align-items: baseline; min-width: 0; }
.plist .pn strong { font: 600 15px/1.2 var(--f-body); white-space: nowrap; }
.plist .pn span { font: 500 12px/1 var(--f-mono); color: var(--hud-dim); }
.plist .pp { font: 500 13.5px/1 var(--f-mono); }
.plist .pc { font: 500 12.5px/1 var(--f-mono); min-width: 62px; text-align: right; }
.plist button { position: relative; }
.plist .bar-t { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--hud-line-2); overflow: hidden; display: none; }
.plist button.on .bar-t { display: block; }
.plist button.on .bar-t i { display: block; height: 100%; background: var(--co); transform-origin: left; animation: fill var(--cycle, 5s) linear forwards; }
.plist.paused button.on .bar-t i { animation: none; transform: scaleX(1); opacity: .5; }
@keyframes fill { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.pcard { position: absolute; left: 14px; bottom: 14px; z-index: 6; width: min(330px, calc(100% - 28px)); padding: 14px 16px 16px; border-left: 3px solid var(--co, var(--accent)); }
.pcard .t { display: flex; justify-content: space-between; gap: 10px; font: 600 10.5px/1 var(--f-display); letter-spacing: .14em; text-transform: uppercase; color: var(--hud-dim); }
.pcard .n { margin-top: 8px; font: 700 22px/1.1 var(--f-display); }
.pcard .c { margin-top: 4px; font-size: 13.5px; color: var(--hud-dim); }
.pcard .row { display: flex; align-items: baseline; gap: 10px; margin-top: 10px; font: 500 18px/1 var(--f-mono); }
.pcard .row em { font-style: normal; font-size: 13px; }
.pcard .r { margin: 8px 0 0; font-size: 13px; line-height: 1.5; color: #b4c3dc; }
.pcard a { display: inline-block; margin-top: 8px; font: 500 12px/1 var(--f-mono); color: var(--accent); text-decoration: none; }

.hold { display: grid; grid-template-columns: 1fr auto; gap: 18px 24px; align-items: center; padding: 20px 22px; }
.hold .fine { grid-column: 1 / -1; margin: 0; line-height: 1.55; }
.hold-btn .hold-txt { display: block; }

/* ---------- arena ---------- */
.sb { position: absolute; left: 14px; right: 14px; top: 14px; z-index: 6; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; padding: 12px 16px; }
.sb .n { display: block; font: 700 15px/1.1 var(--f-display); }
.sb .s { display: block; margin-top: 3px; font: 500 11.5px/1 var(--f-mono); color: var(--hud-dim); }
.sb .r { text-align: right; }
.sb .m { font-size: 13px; color: var(--hud-dim); }
.sb .hp { position: relative; height: 8px; margin-top: 8px; background: var(--hud-line-2); overflow: hidden; }
.sb .hp i { position: absolute; top: 0; bottom: 0; width: 100%; transition: width .25s; }
.sb .l .hp i { left: 0; background: linear-gradient(90deg, #2a5cf0, #4fe3ff); }
.sb .r .hp i { right: 0; background: linear-gradient(270deg, #e63b2e, #ff9a6b); }
.play {
  position: absolute; left: 50%; top: 52%; z-index: 7; transform: translate(-50%, -50%);
  display: inline-flex; align-items: center; gap: 12px; height: 56px; padding: 0 24px 0 18px; border: 0; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); font: 700 14px/1 var(--f-display); letter-spacing: .1em; text-transform: uppercase;
  box-shadow: 0 0 0 6px rgba(79, 227, 255, .18), 0 18px 40px -12px rgba(0, 0, 0, .6); transition: opacity .3s, transform .3s;
}
.play svg { width: 20px; height: 20px; }
.play:hover { transform: translate(-50%, -50%) scale(1.03); }
.view.playing .play { opacity: 0; pointer-events: none; transform: translate(-50%, -50%) scale(.94); }
.duel-log { position: absolute; left: 14px; right: 14px; bottom: 14px; z-index: 6; margin: 0; padding: 10px 14px; border: 0; min-height: 0;
  background: rgba(6, 10, 20, .72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); color: #dfeaff !important; font: 500 13.5px/1.4 var(--f-body); }
.home .duel-stats { position: static; width: auto; max-width: 640px; margin: 14px auto 0; padding: 14px 16px; display: grid; gap: 8px; }
.home .duel-row { grid-template-columns: 52px 1fr 52px; font-size: 12.5px; }

/* ---------- kepercayaan ---------- */
.trust { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.trust > .hud { padding: 26px 24px; }
.can { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
.can li { position: relative; padding-left: 28px; font-size: 15px; line-height: 1.55; color: #c9d6ec; }
.can li::before { position: absolute; left: 0; top: 1px; width: 18px; height: 18px; display: grid; place-items: center; font: 700 11px/1 var(--f-mono); }
.can li.ok::before { content: '✓'; color: #34d27b; border: 1px solid rgba(52, 210, 123, .45); }
.can li.wait::before { content: '!'; color: #f2c230; border: 1px solid rgba(242, 194, 48, .5); }
.trust-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.home .btn-ghost { --fg: var(--hud-text); }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--hud-line); }
.faq details { border-bottom: 1px solid var(--hud-line); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 2px; cursor: pointer; list-style: none; font: 600 18px/1.3 var(--f-body); color: var(--hud-text); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font: 400 24px/1 var(--f-mono); color: var(--accent); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: -6px 0 20px; font-size: 16px; line-height: 1.65; max-width: 680px; }

/* ---------- penutup ---------- */
.end { padding-bottom: clamp(80px, 10vw, 120px); text-align: left; }
.end .ca-card-lg { max-width: none; margin-top: 26px; }
.end .ca-card-lg .ca-card-v { font-size: 17px; }
.end .official { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; font: 500 13px/1 var(--f-mono); }
.end .official a { color: var(--hud-text); text-decoration: none; border-bottom: 1px solid var(--hud-line); padding-bottom: 3px; }
.end .official a:hover { border-color: var(--accent); }
.home .foot { background: #050810; border-top: 1px solid var(--hud-line-2); padding-bottom: 92px; }

/* ---------- layar sedang & kecil ---------- */
@media (max-width: 1000px) {
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts > div:nth-child(2) { border-right: 0; }
  .facts > div:nth-child(-n+2) { border-bottom: 1px solid var(--hud-line-2); }
  .steps { grid-template-columns: 1fr; }
  .calc { grid-template-columns: 1fr; }
  .calc-in { border-right: 0; border-bottom: 1px solid var(--hud-line-2); }
  .split, .split.rev { grid-template-columns: 1fr; }
  .split.rev .view { order: 2; }
  .trust { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .hero { height: auto; min-height: 0; max-height: none; display: flex; flex-direction: column; padding-top: 60px; }
  .view-hero { position: relative; inset: auto; height: 56vh; height: 56svh; min-height: 340px; }
  .hero-shade { top: 60px; bottom: auto; height: 56svh; min-height: 340px; background: linear-gradient(0deg, #070b14 0%, rgba(7, 11, 20, 0) 30%); }
  .hero-in { position: relative; left: auto; top: auto; transform: none; width: auto; margin-top: -40px; padding: 0 var(--gutter); }
  .hero h1 { font-size: clamp(30px, 8.6vw, 40px); margin-top: 14px; }
  .hero-sub { font-size: 16px; }
  .facts { margin-top: 40px; }
  .view-box, .view-wide { height: 420px; }
  .hold { grid-template-columns: 1fr; justify-items: center; }
  .hold-read { width: 100%; }
  .sb { grid-template-columns: 1fr 1fr; gap: 10px; padding: 10px 12px; }
  .sb .m { display: none; }
  .sb .n { font-size: 13px; }
  .play { height: 50px; padding: 0 18px 0 14px; font-size: 12px; white-space: nowrap; }
  .duel-log { font-size: 12.5px; }
}
@media (max-width: 480px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .facts > div { padding: 16px 14px; }
  .facts b { font-size: 21px; }
  .facts span { font-size: 12.5px; }
  .calc-row { flex-direction: column; gap: 4px; }
  .plist button { grid-template-columns: 10px 1fr auto; gap: 10px; }
  .plist .pp { display: none; }
  .ca-card { grid-template-columns: 1fr; }
  .ca-card-copy { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 6px; }
  .end .ca-card-lg .ca-card-v { font-size: 14px; }
}