:root {
    --bg: #050816;
    --bg-2: #0a1128;
    --ink: #e8edf7;
    --ink-2: #9aa7c2;
    --line: rgba(148, 163, 184, .18);
    --cyan: #22d3ee;
    --violet: #8b5cf6;
    --amber: #fbbf24;
    --green: #34d399;
    --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* ---- Nav ---- */
.nav {
    position: fixed; inset: 0 0 auto 0; z-index: 20;
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px max(16px, 4vw);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
    width: 26px; height: 26px; border-radius: 8px;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    position: relative;
}
.brand-mark::after {
    content: ""; position: absolute; inset: 6px 6px 6px 8px;
    border: 2.5px solid var(--bg); border-left-color: transparent; border-radius: 0 10px 10px 0;
}
.brand-name { font-weight: 700; letter-spacing: .2px; font-size: 17px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 9px;
    border-radius: 12px; font-weight: 600; font-size: 15px;
    padding: 13px 22px; min-height: 44px;
    transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.btn-primary {
    background: linear-gradient(135deg, var(--cyan), #38bdf8 55%, var(--violet));
    color: #031018; box-shadow: 0 10px 30px -10px rgba(34, 211, 238, .55);
}
.btn-primary:hover { box-shadow: 0 14px 36px -10px rgba(34, 211, 238, .75); }
.btn-ghost { border: 1px solid var(--line); background: rgba(10, 17, 40, .55); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(20, 30, 62, .7); }

/* ---- Hero ---- */
.hero {
    position: relative; min-height: 100vh; min-height: 100svh;
    display: flex; align-items: center; overflow: hidden;
    padding: 96px max(16px, 4vw) 150px;
    background: radial-gradient(1200px 600px at 70% 40%, #0d1a3d 0%, var(--bg) 70%);
}
#scene { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-shade {
    position: absolute; inset: 0; pointer-events: none;
    background:
        linear-gradient(90deg, rgba(5, 8, 22, .92) 0%, rgba(5, 8, 22, .55) 38%, rgba(5, 8, 22, 0) 62%),
        linear-gradient(0deg, rgba(5, 8, 22, .9) 0%, rgba(5, 8, 22, 0) 28%);
}
.hero-copy { position: relative; z-index: 5; max-width: 560px; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px;
    font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }
h1 { margin: 0 0 20px; font-size: clamp(30px, 4.6vw, 54px); line-height: 1.08; letter-spacing: -.02em; font-weight: 750; }
.grad { background: linear-gradient(90deg, var(--cyan), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin: 0 0 28px; color: var(--ink-2); font-size: clamp(15px, 1.5vw, 17.5px); line-height: 1.65; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; margin-bottom: 22px; }
.cta-note { margin: 0; color: var(--ink-2); font-size: 14px; }
.split-note { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.6; border-left: 2px solid var(--violet); padding-left: 12px; max-width: 460px; }
.split-note strong { color: var(--ink); }

/* ---- Simulation card ---- */
.card {
    position: absolute; z-index: 6; right: max(16px, 3vw); top: 78px; width: min(320px, calc(100vw - 32px));
    background: rgba(8, 14, 34, .72); backdrop-filter: blur(14px) saturate(1.2);
    border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px 16px;
    box-shadow: 0 24px 60px -24px rgba(0, 0, 0, .8);
}
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.card-tag { font-family: var(--mono); font-size: 11.5px; color: var(--cyan); letter-spacing: .04em; }
.card-sim { font-size: 10.5px; color: var(--ink-2); opacity: .8; white-space: nowrap; }
.card-body { position: relative; min-height: 118px; }
.st { position: absolute; inset: 0; opacity: 0; transform: translateY(6px); transition: opacity .35s ease, transform .35s ease; pointer-events: none; }
.card[data-state="schedule"] .st-schedule,
.card[data-state="analyze"] .st-analyze,
.card[data-state="sent"] .st-sent,
.card[data-state="followup"] .st-followup { opacity: 1; transform: none; }
.st-title { margin: 0 0 10px; font-weight: 650; font-size: 15.5px; }
.st-sub { margin: 10px 0 0; color: var(--ink-2); font-size: 12.5px; }
.bar { height: 6px; border-radius: 99px; background: rgba(148, 163, 184, .16); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), var(--violet)); border-radius: 99px; }
.finds { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 7px; font-size: 13px; color: #cbd5e6; }
.finds li { display: flex; align-items: center; gap: 9px; }
.sev { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.sev-warn { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.sev-ok { background: var(--green); box-shadow: 0 0 10px var(--green); }
.sev-info { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.chip { display: inline-block; font-size: 12px; font-weight: 600; padding: 5px 11px; border-radius: 99px; border: 1px solid; }
.chip-wait { color: var(--amber); border-color: rgba(251, 191, 36, .45); background: rgba(251, 191, 36, .1); }
.chip-ok { color: var(--green); border-color: rgba(52, 211, 153, .45); background: rgba(52, 211, 153, .1); }
.chip-tg { color: var(--cyan); border-color: rgba(34, 211, 238, .45); background: rgba(34, 211, 238, .1); }

/* ---- Stats ---- */
.stats {
    position: absolute; z-index: 6; left: max(16px, 4vw); right: max(16px, 4vw); bottom: 28px;
    list-style: none; margin: 0; padding: 0;
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px;
}
.stats li {
    background: rgba(8, 14, 34, .55); backdrop-filter: blur(10px);
    border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px;
}
.stats strong { display: block; font-size: clamp(16px, 1.9vw, 22px); letter-spacing: -.01em; }
.stats span { display: block; margin-top: 3px; font-size: 12.5px; color: var(--ink-2); line-height: 1.4; }

.noscript { position: relative; z-index: 30; padding: 16px; background: var(--bg-2); }
.no-webgl .hero { background: radial-gradient(900px 500px at 70% 40%, #14264f 0%, var(--bg) 70%); }

/* ---- Tablet / phone: adegan 3D di atas, teks mengalir di bawahnya ---- */
@media (max-width: 900px) {
    .hero { display: block; min-height: 0; padding: 0 16px 28px; }
    #scene { height: 64vh; height: 64svh; }
    .hero-shade { inset: 0 0 auto 0; height: 64vh; height: 64svh; background: linear-gradient(0deg, var(--bg) 0%, rgba(5, 8, 22, 0) 38%), linear-gradient(180deg, rgba(5, 8, 22, .7) 0%, rgba(5, 8, 22, 0) 22%); }
    .hero-copy { max-width: none; padding-top: calc(64vh - 56px); padding-top: calc(64svh - 56px); }
    h1 { font-size: clamp(27px, 7.4vw, 36px); }
    .card { top: 70px; left: 16px; right: 16px; width: auto; padding: 11px 14px 13px; }
    .card-body { min-height: 96px; }
    .st-title { font-size: 14.5px; margin-bottom: 8px; }
    .st-sub { display: none; }
    .finds { font-size: 12.5px; gap: 5px; margin-bottom: 9px; }
    .stats { position: static; margin-top: 26px; grid-template-columns: 1fr; }
    .nav-cta { padding: 9px 14px; font-size: 14px; }
    .split-note { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
    .eyebrow .dot { animation: none; }
    html { scroll-behavior: auto; }
}

/* ---- Sections below hero ---- */
.section { padding: 84px max(16px, 4vw); background: var(--bg); }
.wrap { max-width: 1120px; margin: 0 auto; }
.section h2 { margin: 6px 0 32px; font-size: clamp(24px, 3.4vw, 38px); letter-spacing: -.02em; line-height: 1.15; max-width: 720px; }
.grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.svc { background: linear-gradient(180deg, rgba(14, 24, 52, .8), rgba(8, 14, 34, .8)); border: 1px solid var(--line); border-radius: 16px; padding: 22px 20px; }
.svc h3 { margin: 0 0 10px; font-size: 17px; }
.svc p { margin: 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.6; }
.section-cta { padding-top: 24px; }
.cta-box { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 34px clamp(20px, 4vw, 44px); border: 1px solid var(--line); border-radius: 20px; background: radial-gradient(600px 220px at 85% 50%, rgba(139, 92, 246, .22), transparent 70%), rgba(10, 17, 40, .7); }
.cta-box h2 { margin: 0; max-width: 640px; }
@media (max-width: 900px) { .grid4 { grid-template-columns: 1fr; } .section { padding: 56px 16px; } }